Table of Contents
- Latitude 7320 Detachable Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Subscriber Identity Module (SIM) card
- Display assembly
- Solid-state drive
- WWAN card
- Speakers
- Rear Camera
- Microphone module
- Front Camera
- Kick stand
- Kickstand Hinges
- Docking connector
- Hall sensor daughter board
- Heat sink
- System fan
- Volume button daughter board
- Power-button board
- Fingerprint reader
- Battery
- System board
- Smart card reader
- Software
- System setup
- BIOS overview
- Entering BIOS setup program
- System setup options
- General screen options
- System Configuration screen options
- System Configuration screen options
- Video screen options
- Security screen options
- Secure Boot
- Intel software Guard Extensions
- Performance screen options
- Power Management screen options
- POST Behavior
- Virtualization Support options
- Wireless screen options
- Maintenance
- System logs screen options
- Updating the BIOS
- System and setup password
- Clearing BIOS (System Setup) and System passwords
- Troubleshooting
- Getting help and contacting Dell
DELL 7320 User Manual
Displayed below is the user manual for 7320 by DELL which is a product in the Tablets category. This manual has pages.
Related Manuals
Latitude 7320 Detachable
Service Manual
Regulatory Model: T04H
Regulatory Type: T04H001
August 2021
Rev. A01
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
Chapter 1: Working inside your computer...................................................................................... 6
Before working inside your computer.............................................................................................................................6
Safety precautions.............................................................................................................................................................. 6
Electrostatic discharge—ESD protection......................................................................................................................7
ESD field service kit ........................................................................................................................................................... 7
After working inside your computer................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
Subscriber Identity Module (SIM) card......................................................................................................................... 11
Removing the SIM tray................................................................................................................................................11
Installing the SIM tray................................................................................................................................................. 12
Display assembly.................................................................................................................................................................13
Removing the display assembly................................................................................................................................ 13
Installing the display assembly...................................................................................................................................17
Solid-state drive................................................................................................................................................................. 21
Removing the M.2 solid-state drive.........................................................................................................................21
Installing the M.2 solid-state drive.......................................................................................................................... 22
WWAN card........................................................................................................................................................................ 24
Removing the WWAN card....................................................................................................................................... 24
Installing the WWAN card......................................................................................................................................... 25
Speakers.............................................................................................................................................................................. 26
Removing the left speaker........................................................................................................................................ 26
Installing the left speaker...........................................................................................................................................27
Removing the right speaker......................................................................................................................................28
Installing the right speaker........................................................................................................................................29
Rear Camera.......................................................................................................................................................................30
Removing the rear-facing camera...........................................................................................................................30
Installing the rear-facing camera..............................................................................................................................31
Microphone module.......................................................................................................................................................... 33
Removing the right microphone modules.............................................................................................................. 33
Installing the right microphone modules................................................................................................................ 33
Removing the left microphone module.................................................................................................................. 34
Installing the left microphone modules.................................................................................................................. 35
Front Camera..................................................................................................................................................................... 36
Removing the front-facing camera.........................................................................................................................36
Installing the front-facing camera........................................................................................................................... 37
Kick stand............................................................................................................................................................................37
Removing the Kick stand........................................................................................................................................... 37
Installing the kick stand..............................................................................................................................................38
Kickstand Hinges...............................................................................................................................................................40
Removing the kick stand hinges.............................................................................................................................. 40
Installing the kick stand hinges................................................................................................................................ 40
Contents
Contents 3
Docking connector.............................................................................................................................................................41
Removing the docking connector............................................................................................................................ 41
Installing the docking connector..............................................................................................................................42
Hall sensor daughter board............................................................................................................................................. 44
Removing the Hall sensor daughter board............................................................................................................ 44
Installing the Hall sensor daughter board.............................................................................................................. 44
Heat sink..............................................................................................................................................................................45
Removing the heat sink............................................................................................................................................. 45
Installing the heat sink................................................................................................................................................46
System fan.......................................................................................................................................................................... 48
Removing the left fan.................................................................................................................................................48
Installing the left fan...................................................................................................................................................49
Removing the right system fan................................................................................................................................50
Installing the right fan................................................................................................................................................. 51
Volume button daughter board.......................................................................................................................................51
Removing the Volume button daughter board......................................................................................................51
Installing the volume button daughter board........................................................................................................52
Power-button board......................................................................................................................................................... 53
Removing the power-button board........................................................................................................................ 53
Installing the power-button board...........................................................................................................................54
Fingerprint reader............................................................................................................................................................. 55
Removing the fingerprint reader............................................................................................................................. 55
Installing the fingerprint reader................................................................................................................................56
Battery................................................................................................................................................................................. 57
Lithium-ion battery precautions...............................................................................................................................57
Removing the battery.................................................................................................................................................58
Installing the battery...................................................................................................................................................59
System board..................................................................................................................................................................... 60
Removing the system board..................................................................................................................................... 60
Installing the system board....................................................................................................................................... 62
Smart card reader............................................................................................................................................................. 65
Removing the smart card reader.............................................................................................................................65
Installing the smart card reader............................................................................................................................... 66
Chapter 3: Software....................................................................................................................69
Operating system.............................................................................................................................................................. 69
Downloading the drivers.................................................................................................................................................. 69
Chapter 4: System setup............................................................................................................. 70
BIOS overview....................................................................................................................................................................70
Entering BIOS setup program........................................................................................................................................ 70
System setup options.......................................................................................................................................................70
General screen options...............................................................................................................................................70
System Configuration screen options..................................................................................................................... 71
System Configuration screen options.....................................................................................................................72
Video screen options.................................................................................................................................................. 74
Security screen options..............................................................................................................................................74
Secure Boot.................................................................................................................................................................. 75
Intel software Guard Extensions..............................................................................................................................76
4Contents
Performance screen options.....................................................................................................................................76
Power Management screen options........................................................................................................................77
POST Behavior.............................................................................................................................................................78
Virtualization Support options.................................................................................................................................. 78
Wireless screen options............................................................................................................................................. 78
Maintenance................................................................................................................................................................. 79
System logs screen options...................................................................................................................................... 79
Updating the BIOS............................................................................................................................................................ 79
Updating the BIOS in Windows................................................................................................................................ 79
Updating the BIOS using the USB drive in Windows..........................................................................................80
Updating the BIOS from the F12 One-Time boot menu.................................................................................... 80
System and setup password........................................................................................................................................... 81
Assigning a system setup password........................................................................................................................ 81
Deleting or changing an existing system setup password.................................................................................82
Clearing BIOS (System Setup) and System passwords.......................................................................................... 82
Chapter 5: Troubleshooting.........................................................................................................83
Handling swollen Lithium-ion batteries........................................................................................................................ 83
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................84
Running the SupportAssist Pre-Boot System Performance Check................................................................84
Built-in self-test (BIST)................................................................................................................................................... 84
M-BIST...........................................................................................................................................................................84
LCD Power rail test (L-BIST)................................................................................................................................... 85
LCD Built-in Self Test (BIST)................................................................................................................................... 85
System diagnostic lights..................................................................................................................................................86
Recovering the operating system..................................................................................................................................87
Backup media and recovery options............................................................................................................................. 87
WiFi power cycle................................................................................................................................................................87
Flea power release............................................................................................................................................................ 88
Chapter 6: Getting help and contacting Dell................................................................................ 89
Contents 5
Working inside your computer
Topics:
•Before working inside your computer
•Safety precautions
•Electrostatic discharge—ESD protection
•ESD field service kit
•After working inside your computer
Before working inside your computer
About this task
NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
Steps
1. Save and close all open files and exit all open applications.
2. Shut down your computer. Click Start > Power > Shut down.
NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down
instructions.
3. Disconnect your computer and all attached devices from their electrical outlets.
4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the
cable from the network device.
5. Remove any media card and optical disc from your computer, if applicable.
Safety precautions
The safety precautions chapter details the primary steps to be taken before performing any disassembly instructions.
Observe the following safety precautions before you perform any installation or break/fix procedures involving disassembly or
reassembly:
●Turn off the system and all attached peripherals.
●Disconnect the system and all attached peripherals from AC power.
●Disconnect all network cables, telephone, and telecommunications lines from the system.
●Use an ESD field service kit when working inside any tabletnotebookdesktop to avoid electrostatic discharge (ESD) damage.
●After removing any system component, carefully place the removed component on an anti-static mat.
●Wear shoes with non-conductive rubber soles to reduce the chance of getting electrocuted.
Standby power
Dell products with standby power must be unplugged before you open the case. Systems that incorporate standby power are
essentially powered while turned off. The internal power enables the system to be remotely turned on (wake on LAN) and
suspended into a sleep mode and has other advanced power management features.
1
6 Working inside your computer
Unplugging, pressing and holding the power button for 20 seconds should discharge residual power in the system board.
Remove the battery from tablets.notebooks.
Bonding
Bonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done through
the use of a field service electrostatic discharge (ESD) kit. When connecting a bonding wire, ensure that it is connected to bare
metal and never to a painted or non-metal surface. The wrist strap should be secure and in full contact with your skin, and
ensure that you remove all jewelry such as watches, bracelets, or rings prior to bonding yourself and the equipment.
Electrostatic discharge—ESD protection
ESD is a major concern when you handle electronic components, especially sensitive components such as expansion cards,
processors, memory DIMMs, and system boards. Very slight charges can damage circuits in ways that may not be obvious, such
as intermittent problems or a shortened product life span. As the industry pushes for lower power requirements and increased
density, ESD protection is an increasing concern.
Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than
in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.
Two recognized types of ESD damage are catastrophic and intermittent failures.
●Catastrophic – Catastrophic failures represent approximately 20 percent of ESD-related failures. The damage causes
an immediate and complete loss of device functionality. An example of catastrophic failure is a memory DIMM that has
received a static shock and immediately generates a "No POST/No Video" symptom with a beep code emitted for missing or
nonfunctional memory.
●Intermittent – Intermittent failures represent approximately 80 percent of ESD-related failures. The high rate of
intermittent failures means that most of the time when damage occurs, it is not immediately recognizable. The DIMM
receives a static shock, but the tracing is merely weakened and does not immediately produce outward symptoms related to
the damage. The weakened trace may take weeks or months to melt, and in the meantime may cause degradation of memory
integrity, intermittent memory errors, etc.
The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking wounded")
failure.
Perform the following steps to prevent ESD damage:
●Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not
provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts
with increased sensitivity to ESD damage.
●Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.
●When unpacking a static-sensitive component from its shipping carton, do not remove the component from the anti-static
packing material until you are ready to install the component. Before unwrapping the anti-static packaging, ensure that you
discharge static electricity from your body.
●Before transporting a static-sensitive component, place it in an anti-static container or packaging.
ESD field service kit
The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components:
anti-static mat, wrist strap, and bonding wire.
Components of an ESD field service kit
The components of an ESD field service kit are:
●Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures. When using an
anti-static mat, your wrist strap should be snug and the bonding wire should be connected to the mat and to any bare metal
on the system being worked on. Once deployed properly, service parts can be removed from the ESD bag and placed directly
on the mat. ESD-sensitive items are safe in your hand, on the ESD mat, in the system, or inside a bag.
●Wrist Strap and Bonding Wire – The wrist strap and bonding wire can be either directly connected between your wrist
and bare metal on the hardware if the ESD mat is not required, or connected to the anti-static mat to protect hardware that
is temporarily placed on the mat. The physical connection of the wrist strap and bonding wire between your skin, the ESD
Working inside your computer 7
mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never
use wireless wrist straps. Always be aware that the internal wires of a wrist strap are prone to damage from normal wear
and tear, and must be checked regularly with a wrist strap tester in order to avoid accidental ESD hardware damage. It is
recommended to test the wrist strap and bonding wire at least once per week.
●ESD Wrist Strap Tester – The wires inside of an ESD strap are prone to damage over time. When using an unmonitored
kit, it is a best practice to regularly test the strap prior to each service call, and at a minimum, test once per week. A
wrist strap tester is the best method for doing this test. If you do not have your own wrist strap tester, check with your
regional office to find out if they have one. To perform the test, plug the wrist-strap's bonding-wire into the tester while it is
strapped to your wrist and push the button to test. A green LED is lit if the test is successful; a red LED is lit and an alarm
sounds if the test fails.
●Insulator Elements – It is critical to keep ESD sensitive devices, such as plastic heat sink casings, away from internal parts
that are insulators and often highly charged.
●Working Environment – Before deploying the ESD Field Service kit, assess the situation at the customer location. For
example, deploying the kit for a server environment is different than for a desktop or portable environment. Servers are
typically installed in a rack within a data center; desktops or portables are typically placed on office desks or cubicles. Always
look for a large open flat work area that is free of clutter and large enough to deploy the ESD kit with additional space to
accommodate the type of system that is being repaired. The workspace should also be free of insulators that can cause an
ESD event. On the work area, insulators such as Styrofoam and other plastics should always be moved at least 12 inches or
30 centimeters away from sensitive parts before physically handling any hardware components.
●ESD Packaging – All ESD-sensitive devices must be shipped and received in static-safe packaging. Metal, static-shielded
bags are preferred. However, you should always return the damaged part using the same ESD bag and packaging that the
new part arrived in. The ESD bag should be folded over and taped shut and all the same foam packing material should be
used in the original box that the new part arrived in. ESD-sensitive devices should be removed from packaging only at an
ESD-protected work surface, and parts should never be placed on top of the ESD bag because only the inside of the bag is
shielded. Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag.
●Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts
to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.
ESD protection summary
It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static
mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all
insulator parts while performing service and that they use anti-static bags for transporting sensitive components.
After working inside your computer
About this task
CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.
Steps
1. Replace all screws and ensure that no stray screws remain inside your computer.
2. Connect any external devices, peripherals, or cables you removed before working on your computer.
3. Replace any media cards, discs, or any other parts that you removed before working on your computer.
4. Connect your computer and all attached devices to their electrical outlets.
5. Turn on your computer.
8Working inside your computer
Removing and installing components
NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
Topics:
•Recommended tools
•Screw list
•Subscriber Identity Module (SIM) card
•Display assembly
•Solid-state drive
•WWAN card
•Speakers
•Rear Camera
•Microphone module
•Front Camera
•Kick stand
•Kickstand Hinges
•Docking connector
•Hall sensor daughter board
•Heat sink
•System fan
•Volume button daughter board
•Power-button board
•Fingerprint reader
•Battery
•System board
•Smart card reader
Recommended tools
The procedures in this document may require the following tools:
●Phillips screwdriver #0
●Plastic scribe
Screw list
NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and
then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is
restored when the component is replaced.
NOTE: Some systems have magnetic surfaces. Ensure that the screws are not left attached to such surface when
replacing a component.
NOTE: Screw color may vary with the configuration ordered.
2
Removing and installing components 9
Table 1. Latitude 5520Precision 3560 screw list
Component Screw type Quantity Screw image
Base cover Captive screws 8
WLAN card bracket Captive screw 1
WWAN card bracket Captive screw 1
M.2 2230 solid-state drive M2x4 1
M.2 2280 solid-state drive M2x4 1
Assembly inner frame M2x3 12
3-cell battery M2x4 2
4-cell battery M2x4 3
System Fan M2x3 2
Heat sink—integrated M2x3
Captive screws
1 - M2x3
4 - captive screws
Heat sink—discrete M2x3
Captive screws
1 - M2x3
7 - captive screws
eDP cable/bracket M2x3 2
USB Type-C support bracket M2x4 3
System board M2x3 3
Power button M2x2 2
Smart card reader M2x3 2
LED board M2x3 1
Keyboard assembly M2x2 26
Keyboard bracket M2x2 10
Display assembly M2.5x5 (display hinge to
palm-rest assembly)
6
Display hinge M2.5x3.5 (display hinge to
display back cover)
4
10 Removing and installing components
Table 1. Latitude 5520Precision 3560 screw list (continued)
Component Screw type Quantity Screw image
Display panel M2.5x3.5 4
Subscriber Identity Module (SIM) card
Removing the SIM tray
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. The procedure
for removal is only applicable for systems that are shipped with a WWAN module.
CAUTION: Removing the SIM card with the computer turned on, may cause data loss or damage to the card.
Ensure that your computer is turned off or the network connections are disabled.
About this task
The following images indicate the location of the SIM card and provide a visual representation of the removal procedure.
Removing and installing components 11
Steps
1. Insert a pin into the hole of the SIM card slot.
2. Push the pin inward to release the SIM card tray
3. Slide the SIM card tray out of the slot in the computer.
4. Remove the SIM card from the SIM card tray.
5. Slide the SIM card tray into the slot, until it clicks into place.
Installing the SIM tray
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence,
removing procedure is only applicable for systems that are shipped with WWAN module.
About this task
The following image indicates the location of the SIM card and provides a visual representation of the installation procedure.
Steps
1. Insert a pin into the hole of the SIM card tray and push inward to release the tray.
2. Slide the SIM card tray out of the slot on the computer.
3. Place the SIM card into the SIM card tray with the metallic contact facing down.
12 Removing and installing components
4. Align the SIM card tray with the slot in the computer and carefully slide it in.
5. Slide the SIM card tray into the slot, until it clicks into place.
Next steps
1. Follow the procedure in After working inside your computer.
Display assembly
Removing the display assembly
Prerequisites
1. Follow the procedure in Before working inside your system.
2. Remove the SIM tray.
About this task
The following images indicate the location of the display assembly and provide a visual representation of the removal procedure.
Removing and installing components 13
14 Removing and installing components
Removing and installing components 15
Steps
1. Open the kick stand to the widest possible angle, the system will power on.
NOTE: The Latitude 7320 Detachable has an automatic power-on feature. The system powers on anytime the kick
stand is opened. Follow the below steps to ensure that the system does not power on while the performing replacement
procedures.
2. With the kick stand open, shut down the computer using the operating system.
3. Place the system on a padded surface with the display assembly facing down.
16 Removing and installing components
4. CAUTION: Make sure that the system has already been powered off before removing the screws.
Remove the four (M1.6x4) screws securing the display panel to the display back cover.
5. Using a plastic scribe, push the two release holes next to the kick stand hinges to loosen the display assembly from the
display back cover.
6. Close the kick stand and flip the computer over with the display facing upwards.
7. Using a plastic scribe, pry open the display panel from the bottom-left or bottom-right corner.
8. Work your way around the top and remaining sides of the display panel.
9. Gently flip open the display assembly from the top edge and lay the display panel assembly face down.
CAUTION: Do NOT pull the display panel away from the base while the display panel is still connected to the
system board.
10. Slide the power switch on the system board from "PD1" to "PD2".
NOTE: After switching the power switch off, an LED indicator next to the switch will illuminate red, indicating that
power has been cut-off from the computer.
11. Remove the two (M2x2.5) screws that secure the display cable bracket to the system board.
12. Remove the display cable bracket from the computer.
13. Disconnect the display cable from the system board and remove the display assembly from the computer.
Installing the display assembly
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the display assembly and provides a visual representation of the installation
procedure.
Removing and installing components 17
18 Removing and installing components
Removing and installing components 19
20 Removing and installing components
Steps
1. Place the display assembly face down on a padded surface just below the computer.
2. Connect the display cable to the connector on the system board.
3. Align and place the display cable bracket and place it on the display cable connector.
4. Replace the two (M2x2.5) screws that secure the display cable bracket to the system board.
5. Slide the power switch on the system board from "PD2" to "PD1".
NOTE: After switching the power switch to the "ON" position the LED indicator next to the switch will stop illuminating,
indicating that power has been restored to the computer.
6. Gently flip the display assembly on to the computer.
7. Align and slide the bottom of the display assembly into the computer.
8. Gently press along the edges of the display assembly until it snaps into place.
9. Replace the four screws (M1.6x4) that secure the display panel to the display back cover.
10. Close the kick stand.
Next steps
1. Install the SIM tray.
2. Follow the procedure in After working inside your computer.
Solid-state drive
Removing the M.2 solid-state drive
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
Removing and installing components 21
About this task
The following images indicate the location of the M.2 solid-state drive and provide a visual representation of the removal
procedure.
Steps
1. Remove the single (M2x2.5) screw securing the M.2 solid-state drive shield in place.
2. Remove the M.2 solid-state drive shield from the computer.
NOTE: If the thermal pad located under the M.2 SSD gets detached from the system board, re-adhere it to the system
board.
3. Slide the M.2 solid-state drive out the computer.
Installing the M.2 solid-state drive
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
22 Removing and installing components
About this task
The following image indicates the location of the M.2 solid-state drive and provides a visual representation of the installation
procedure.
Steps
1. Align the notch on the M.2 solid-state drive with the tab on the M.2 solid-state drive slot on the system board.
2. Slide the M.2 solid-state drive into the M.2 solid-state drive slot on the system board..
3. Align and place the M.2 solid-state drive shielding cover on the M.2 solid-state drive.
NOTE: Ensure the shielding cover is placed on the guiding clips of the system board.
4. Replace the single (M2x2.5) that secures the M.2 solid-state drive shield to the system board.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing and installing components 23
WWAN card
Removing the WWAN card
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following image indicates the location of the WWAN card and provide a visual representation of the removal procedure.
Steps
1. Loosen the single captive screw that secures the WWAN card bracket to the WWAN card.
2. Slide and remove the WWAN card bracket off the WWAN card.
3. Disconnect the antenna cables from the WWAN card.
4. Slide and remove the WWAN card from the WWAN card slot.
24 Removing and installing components
Installing the WWAN card
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the WWAN card and provides a visual representation of the installation procedure.
Steps
1. Align the notch on the WWAN card with the tab on the WWAN slot on the system board.
2. Slide the WWAN card at an angle into the WWAN slot on the system board.
3. Connect the antenna cables to the WWAN card.
The following table provides the antenna-cable color scheme:
Table 2. Antenna-cable color scheme
Connectors on the WWAN card Antenna-cable color
Main (white triangle) White
Removing and installing components 25
Table 2. Antenna-cable color scheme (continued)
Connectors on the WWAN card Antenna-cable color
Auxiliary (black triangle) Black
4. Place the WWAN card bracket on the antenna connectors of the WWAN card.
5. Tighten the single captive screw to secure the WWAN bracket to the WWAN card.
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
see the knowledge base article 000143678 at www.dell.com/support.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Speakers
Removing the left speaker
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the left speaker and provide a visual representation of the removal procedure.
26 Removing and installing components
Steps
1. Disconnect the speaker cable from the connector on system board.
2. Lift the speakers along with the cable off the system board.
Installing the left speaker
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the left speaker and provides a visual representation of the installation procedure.
Removing and installing components 27
]
Steps
1. Align and place the speakers in its slot on the system board.
2. Reconnect the left speaker cable to the connector on the system board.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing the right speaker
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the right speaker and provide a visual representation of the removal procedure.
28 Removing and installing components
Steps
1. Disconnect the right fan FPC and speaker cable from the connector on system board.
2. Lift the speakers along with the cable off the system board.
Installing the right speaker
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the right speaker and provides a visual representation of the installation procedure.
Removing and installing components 29
]
Steps
1. Align and place the speaker in its slot on the system board.
2. Reconnect the fan FPC and left speaker cable to the connector on the system board.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Rear Camera
Removing the rear-facing camera
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray
3. Remove the display assembly.
About this task
The following images indicate the location of the rear-facing camera module and provide a visual representation of the removal
procedure.
30 Removing and installing components
Steps
1. Lift the system board shield off the system board.
2. Disconnect the rear-facing camera FPC from the connector on the system board.
3. Remove the two (M1.6x3) screws that secure the rear-facing camera in place.
4. Lift the rear-facing camera out of the system.
Installing the rear-facing camera
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the rear-facing camera module and provides a visual representation of the
installation procedure.
Removing and installing components 31
Steps
1. Align and place the rear-facing camera into the slot on the display back cover.
2. Replace the two (M1.6x3) that secure the rear-facing camera to the display back cover.
3. Connect the rear-facing camera FPC to the connector on the system board.
4. Place the system board shield on the system board and gently press until it snaps it into place.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
32 Removing and installing components
Microphone module
Removing the right microphone modules
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray
3. Remove the display assembly.
About this task
The following images indicate the location of the right microphone module and provide a visual representation of the removal
procedure.
Steps
1. Lift the system board shield off the system board.
2. Disconnect the right microphone module from the front-facing camera module.
3. Disconnect the right microphone module FPC from the system board..
4. Lift the right microphone module out of the system.
Installing the right microphone modules
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the right microphone module and provides a visual representation of the installation
procedure.
Removing and installing components 33
Steps
1. Align and place the right microphone into the slot on the display back cover.
2. Connect the right microphone module to the front-facing camera module.
NOTE: The right microphone module must be connected to both the front-facing camera and system board. Failure to
make both of these connections will result in the front-facing camera not working..
3. Connect the right microphone module FPC to the connector on the system board.
4. Place the system board shield on the system board and gently press until it snaps it into place.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing the left microphone module
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray
3. Remove the display assembly.
About this task
The following images indicate the location of the left microphone module and provide a visual representation of the removal
procedure.
34 Removing and installing components
Steps
1. Lift the system board shield off the system board.
2. Disconnect the left microphone module FPC from the system board..
3. Lift the left microphone module out of the system.
Installing the left microphone modules
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the left microphone module and provides a visual representation of the installation
procedure.
Removing and installing components 35
Steps
1. Align and place the left microphone into the slot on the display back cover.
2. Connect the left microphone module FPC to the connector on the system board.
3. Place the system board shield on the system board and gently press until it snaps it into place.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Front Camera
Removing the front-facing camera
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray
3. Remove the display assembly.
4. Remove the microphone modules.
About this task
The following images indicate the location of the front-facing camera module and provide a visual representation of the removal
procedure.
Steps
1. Using a plastic scribe, gently pry off the left and right side of the front-facing module.
2. Lift the front-facing camera out of the system.
NOTE: If the thermal pad located under the front-facing camera gets detached from the back cover, re-adhere it to the
back cover.
36 Removing and installing components
Installing the front-facing camera
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the front-facing camera module and provides a visual representation of the
installation procedure.
Steps
1. Align and place the front-facing camera into the slot on the display back cover.
2. Gently press the edges of the front-facing camera and seat it in place
Next steps
1. Install the microphone modules.
2. Install the display assembly.
3. Install the SIM tray.
4. Follow the procedure in After working inside your computer.
Kick stand
Removing the Kick stand
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
Removing and installing components 37
About this task
The following images indicate the location of the kick stand and provide a visual representation of the removal procedure.
Steps
1. Remove the four (M1.6x3) screws that secure the kick stand to the kick stand hinges.
2. Flip the system over and lift the kick stand away from the system.
Installing the kick stand
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the kick stand and provide a visual representation of the installation procedure.
38 Removing and installing components
Steps
1. Align the screw holes on the kick stand with the screw holes on the frame, and flip the system.
NOTE: Ensure that the pins on the kick stand are inserted into the alignment holes on the kick stand hinges.
2. Replace the four (M1.6x3) screws that secure the kick stand to the kick stand hinges.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing and installing components 39
Kickstand Hinges
Removing the kick stand hinges
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the kick stand.
About this task
The following images indicate the location of the kick stand hinges and provide a visual representation of the removal procedure.
Steps
1. Remove the six (M2x2) screws that secure the kick stand hinges to the frame .
2. Lift the kick stand hinges out of the computer.
Installing the kick stand hinges
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the kick stand hinges and provide a visual representation of the installation
procedure.
40 Removing and installing components
Steps
1. Align the screw holes on the kick stand hinges with the screw holes on the frame.
2. Replace the six (M2x2) screws that secure the Kick stand hinges to the frame.
Next steps
1. Install the kick stand.
2. Install the display assembly.
3. Install the SIM card.
4. Follow the procedure in After working inside your computer.
Docking connector
Removing the docking connector
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the docking connector and provide a visual representation of the removal
procedure.
Removing and installing components 41
Steps
1. Open the latch and disconnect the docking connector FPC from the connector on the system board.
2. Peel the docking connector from the battery.
3. Remove the two (M2x2) screws that secure the docking connector bracket to the frame.
4. Lift the docking connector bracket and slide the docking connector out of the computer.
Installing the docking connector
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the docking connector and provides a visual representation of the installation
procedure.
42 Removing and installing components
Steps
1. Align and place docking connector into slot on the frame.
2. Align and place the docking connector bracket on the docking connector.
3. Replace the two (M2x2) screws to secure the docking connector bracket to the frame.
4. Affix the docking connector FPC to the battery.
5. Connect the docking connector FPC to the connector on the system board and close the latch.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing and installing components 43
Hall sensor daughter board
Removing the Hall sensor daughter board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the Hall sensor daughter board and provide a visual representation of the removal
procedure.
Steps
1. Disconnect the Hall sensor daughter board FPC from the connector on the system board.
2. Gently peel back the Hall sensor daughter board FPC from the battery .
3. Remove the single (M2x2) screw that secures the Hall sensor daughter board to the frame.
4. Lift the Hall sensor daughter board out of the computer.
Installing the Hall sensor daughter board
About this task
The following images indicate the location of the Hall sensor daughter board and provide a visual representation of the removal
procedure.
44 Removing and installing components
Steps
1. Align and place the Hall sensor daughter board into the slot on the frame.
2. Replace the single (M2x2) that secures the Hall sensor daughter board to the frame.
3. Affix the Hall sensor daughter board FPC to the battery.
4. Connect the Hall sensor daughter board FPC to the connector on the system board and close the latch.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Heat sink
Removing the heat sink
Prerequisites
1. Follow the procedure in before working inside your computer.
CAUTION: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to
cool before you touch it.
2. Remove the SIM card.
3. Remove the display assembly.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Removing and installing components 45
Steps
1. Lift the system board shielding cover from the system board.
2. Peel back the WLAN antenna grounding foil and WWAN antenna grounding foil from the heat sink..
3. Loosen the four captive screws that secure the heat sink as per their callout .
4. Lift the heat sink out of the system.
Installing the heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
46 Removing and installing components
Steps
1. Align the screw holes on the heat sink with the screw holes on the system board.
2. Tighten the four captive screws that secure the heat sink to the system board as per their callout.
3. Affix the WLAN antenna grounding foil and WWAN antenna grounding foil to the heat sink.
4. Place the system board shielding cover on the system board and gently press until it snaps it into place.
Next steps
1. Install the display assembly.
2. Install the SIM card.
3. Follow the procedure in After working inside your computer.
Removing and installing components 47
System fan
Removing the left fan
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the left fan and provide a visual representation of the removal procedure.
Steps
1. Loosen the single captive screw that secures the WLAN bracket to the system board.
2. Lift the WLAN bracket out of the computer.
3. Disconnect and unroute the WLAN antennas from the routing clips on the fan case.
4. Remove the two (M2x3) screws that secure the left system fan to the frame.
48 Removing and installing components
5. Disconnect the left system fan FPC from the connector on the system board.
6. Lift the left fan out of the computer.
Installing the left fan
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the left fan and provide a visual representation of the installation procedure.
Steps
1. Align the screw holes on the left system fan with the screw holes on the frame.
2. Replace the two screws (M2x3) to secure the system fan to the frame.
3. Connect the left system fan FPC to the connector on the system board.
4. Route the WLAN antenna cable through the routing pin on the fan case.
5. Connect the antenna cables to the wireless card.
The following table provides the antenna-cable color scheme for the wireless card of your computer.
Removing and installing components 49
Table 3. Antenna-cable color scheme
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black
6. Place the WLAN card bracket on the WLAN card.
7. Tighten the single captive screw that secures the WLAN card bracket to the system board.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
Removing the right system fan
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM card.
3. Remove the display assembly.
About this task
The following images indicate the location of the right system fan and provide a visual representation of the removal procedure.
Steps
1. Remove the two (M2x3) screws that secure the right system fan to the frame.
2. Disconnect the right system fan FPC from the connector on the system board.
3. Lift the right system fan out of the system.
50 Removing and installing components
Installing the right fan
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the right fan and provide a visual representation of the installation procedure.
Steps
1. Align the screw holes on the right system fan with the screw holes on the frame.
2. Replace the two screws (M2x3) to secure the right system fan to the frame.
3. Connect the right system fan FPC to the connector on the system board.
Next steps
1. Install the display assembly.
2. Install the SIM card.
3. Follow the procedure in After working inside your computer.
Volume button daughter board
Removing the Volume button daughter board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the WWAN card.
5. Remove the left system fan.
Removing and installing components 51
About this task
The following images indicate the location of the Volume button daughter board and provide a visual representation of the
removal procedure.
Steps
1. Open the latch and disconnect the volume button daughter board FPC from the system board.
2. Remove the two (M1.6x3) screws that secure the volume button daughter board to system board.
3. Lift the volume button daughter board out of the system.
Installing the volume button daughter board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the volume button daughter board and provides a visual representation of the
installation procedure.
52 Removing and installing components
Steps
1. Align and place the volume button daughter board on the system board.
NOTE: When installing the volume button daughter board, fully insert the power button module into its compartment,
and then press the volume buttons to check whether the daughter board is correctly installed.
2. Replace the two (M1.6x3) screws that secure the volume daughter board to the system board.
3. Connect the volume daughter board FPC to the connector on the system board and close the latch.
Next steps
1. Install the left system fan.
2. Install the WWAN card.
3. Install the display assembly.
4. Install the SIM tray.
5. Follow the procedure in After working inside your computer.
Power-button board
Removing the power-button board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the WWAN card.
5. Remove the right system fan.
About this task
The following images indicate the location of the power-button board and provide a visual representation of the removal
procedure.
Removing and installing components 53
Steps
1. Open the latch and disconnect the power-button daughter board FPC and the fingerprint reader FFC from the power-button
daughter board.
2. Remove the two (M1.6x1.5) screws that secure the power-button daughter board to the frame..
3. Lift the power-button daughter board out of the system.
Installing the power-button board
About this task
The following images indicate the location of the power-button board and provide a visual representation of the installation
procedure.
54 Removing and installing components
Steps
1. Align and place the power-button board on the frame.
2. Replace the two screws (M1.6x1.5) that secure the power-button board to the frame.
3. Connect the power-button daughter board FPC and the fingerprint reader FFC to the power-button daughter board
Next steps
1. Install the right system fan.
2. Install the WWAN card.
3. Install the display assembly.
4. Install the SIM tray.
5. Follow the procedure in After working inside your computer.
Fingerprint reader
Removing the fingerprint reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the WWAN card.
5. Remove the right system fan.
6. Remove thepower-button board
About this task
The following images indicate the location of the fingerprint reader and provide a visual representation of the removal
procedure.
Removing and installing components 55
Steps
1. Peel and remove the fingerprint reader bracket.
NOTE: If the fingerprint bracket located under the power button daughter board gets detached from the back cover,
re-install it onto the back cover.
2. Lift the fingerprint reader out of the system.
Installing the fingerprint reader
About this task
The following images indicate the location of the fingerprint reader and provide a visual representation of the installation
procedure.
56 Removing and installing components
Steps
1. Align and place the fingerprint reader on the frame.
2. Replace the fingerprint reader bracket on the finger print reader.
Next steps
1. Install the power-button daughter board.
2. Install the right system fan.
3. Install the WWAN card.
4. Install the display assembly.
5. Install the SIM tray.
6. Follow the procedure in After working inside your computer.
Battery
Lithium-ion battery precautions
CAUTION:
●Exercise caution when handling Lithium-ion batteries.
●Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
●Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
●Do not expose the battery to high temperatures, or disassemble battery packs and cells.
●Do not apply pressure to the surface of the battery.
●Do not bend the battery.
●Do not use tools of any kind to pry on or against the battery.
●Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental
puncture or damage to the battery and other system components.
Removing and installing components 57
●If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing,
bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical
support for assistance. See www.dell.com/contactdell.
●Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers.
●Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to
handle and replace swollen Lithium-ion batteries, see Handling swollen Lithium-ion batteries.
Removing the battery
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
About this task
The following images indicate the location of the battery and provide a visual representation of the removal procedure.
58 Removing and installing components
Steps
1. Disconnect and carefully peel back the HALL sensor daughter board FPC and docking connector FPC from the battery..
2. Remove the single (M1.6x3.4) screw that secures the battery cable connector to the system board.
3. Disconnect the battery cable connector from the system board.
4. Remove the six (M2x3) screws that secure the battery to the frame.
5. Lift the battery out of the system.
Installing the battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the battery and provides a visual representation of the installation procedure.
Steps
1. Align and place the battery into the system.
2. Replace the six (M2x3) screws that secure the battery to the frame.
Removing and installing components 59
3. Connect the battery cable to the system board.
4. Replace the single (M1.6x3.4) screw that secures the battery cable connector to the system board.
5. Affix the HALL sensor daughter board FPC and docking connector FPC on the battery.
6. Connect the HALL sensor daughter board FPC and docking connector FPC to the connector on the system board and close
the latch.
Next steps
1. Install the display assembly.
2. Install the SIM tray.
3. Follow the procedure in After working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the WWAN card.
5. Remove the left system fan.
6. Remove the right system fan.
7. Remove the solid-state drive.
8. Remove the Microphone.
9. Remove the kickstand.
10. Remove the kickstand hinges.
11. Remove the heat sink.
About this task
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
60 Removing and installing components
Removing and installing components 61
Steps
1. Remove the two (M1.6x2.5) screws that secure the Darwin cable brackets to the system board.
2. Disconnect the volume button FPC, USH FFC, audio port FPC, rear-facing camera FPC, and the power button daughter
board FPC from the system board.
3. Disconnect the Darwin antennas and the P-sensor cable from the system board.
4. Remove the two (M2x2) screws that secure the system board to the frame.
5. Lift the system board out of the system.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
62 Removing and installing components
Removing and installing components 63
Steps
1. Align the screw holes on the system board with the screw holes on the frame.
2. Replace the two (M2x2) screws that secure the system board to the frame.
3. Connect the volume button FPC, USH FFC, audio port FPC, rear-facing camera FPC, and the power button daughter board
FPC to the system board
4. Connect the Darwin antennas and the P-sensor cable to the system board.
5. Place the Darwin antenna brackets on the Darwin antenna connector.
6. Replace the two (M1.6x2.5) screws that secure the Darwin cable brackets to the system board.
Next steps
1. Install the heat sink.
2. Install the kickstand hinges.
3. Install the kickstand.
4. Install the Microphone.
5. Install the solid-state drive.
6. Install the right system fan.
7. Install the left system fan.
8. Install the WWAN card.
9. Install the display assembly.
10. Install the SIM tray.
11. Follow the procedure in After working inside your computer.
64 Removing and installing components
Smart card reader
Removing the smart card reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM tray.
3. Remove the display assembly.
4. Remove the WWAN card.
5. Remove the left system fan.
6. Remove the right system fan.
7. Remove the solid-state drive.
8. Remove the Microphone.
9. Remove the kickstand.
10. Remove the kickstand hinges.
11. Remove the heat sink.
12. Remove the system board.
13. Remove the battery.
About this task
The following images indicate the location of the smart card reader and provide a visual representation of the removal
procedure.
Removing and installing components 65
Steps
1. Remove the three (M2x2) screws that secure the smart card reader support brackets to the frame.
2. Remove the smart card reader support brackets.
3. Open the latch and disconnect the smart card reader FPC from the connector on the USH board.
4. Remove the three (M2x2) screws that secure the smart card reader to the frame.
5. Lift the smart card reader off the system.
Installing the smart card reader
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the smart card reader and provides a visual representation of the installation
procedure.
66 Removing and installing components
Steps
1. Align and place the smart card reader on the frame.
2. Replace the three (M2x2) screws that secure the smart card reader to the frame.
3. Connect the smart card reader FPC to the connector on the USH board and close the latch.
4. Place the smart card reader support brackets on the smart card reader.
5. Replace the three (M2x2) screws that secure the smart card reader support bracket to the frame.
Next steps
1. Install the battery.
2. Install the system board.
3. Install the heat sink.
4. Install the kickstand hinges.
5. Install the kickstand.
6. Install the Microphone.
7. Install the solid-state drive.
8. Install the right system fan.
9. Install the left system fan.
10. Install the WWAN card.
11. Install the display assembly.
Removing and installing components 67
Software
This chapter details the supported operating systems along with instructions on how to install the drivers.
Topics:
•Operating system
•Downloading the drivers
Operating system
Your Latitude 7320 Detachable supports the following operating systems:
●Windows 10 Home (64-bit)
●Windows 10 Professional (64-bit)
Downloading the drivers
Steps
1. Turn on your computer.
2. Go to www.dell.com/support.
3. Enter the Service Tag of your computer, and then click Submit.
NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.
4. Click Drivers & downloads.
5. Click the Detect Drivers button.
6. Review and agree to the Terms and Conditions to use SupportAssist, then click Continue.
7. If necessary, your computer starts to download and install SupportAssist.
NOTE: Review on-screen instructions for browser-specific instructions.
8. Click View Drivers for My System.
9. Click Download and Install to download and install all driver updates detected for your computer.
10. Select a location to save the files.
11. If prompted, approve requests from User Account Control to make changes on the system.
12. The application installs all drivers and updates identified.
NOTE: Not all files can be installed automatically. Review the installation summary to identify if manual installation is
necessary.
13. For manual download and installation, click Category.
14. From the drop-down list, select the preferred driver.
15. Click Download to download the driver for your computer.
16. After the download is complete, navigate to the folder where you saved the driver file.
17. Double-click the driver file icon and follow the instructions on the screen to install the driver.
3
Software 69
System setup
System setup enables you to manage your tabletdesktopnotebook hardware and specify BIOS level options. From the System
setup, you can:
●Change the NVRAM settings after you add or remove hardware
●View the system hardware configuration
●Enable or disable integrated devices
●Set performance and power management thresholds
●Manage your computer security
Topics:
•BIOS overview
•Entering BIOS setup program
•System setup options
•Updating the BIOS
•System and setup password
•Clearing BIOS (System Setup) and System passwords
BIOS overview
The BIOS manages data flow between the computer's operating system and attached devices such as hard disk, video adapter,
keyboard, mouse, and printer.
Entering BIOS setup program
Steps
1. Turn on your computer.
2. Press F2 immediately to enter the BIOS setup program.
NOTE: If you wait too long and the operating system logo appears, continue to wait until you see the desktop. Then,
turn off your computer and try again.
System setup options
NOTE: Depending on the tabletcomputerlaptop and its installed devices, the items listed in this section may or may not
appear.
General screen options
This section lists the primary hardware features of your computer.
Option Description
System
Information
●System Information: Displays BIOS Version, Service Tag, Asset Tag, Ownership Tag, Ownership Date,
Manufacture Date, and the Express Service Code.
●Memory Information: Displays Memory Installed, Memory Available, Memory Speed, Memory Channels
Mode, Memory Technology
4
70 System setup
Option Description
●Processor Information: Displays Processor Type, Core Count, Processor ID, Current Clock Speed,
Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache, Processor L3 Cache, HT Capable,
and 64-Bit technology.
●Device Information: Displays Primary Hard Drive, Video Controller, Video BIOS Version, Video Memory,
Panel Type, Native Resolution, Audio Controller, Wi-Fi Device, Cellular Device, Bluetooth Device.
Battery
Information
Displays the battery status and the type of AC adapter connected to the computer.
Boot Sequence Boot Sequence Allows you to change the order in which the computer attempts to find an
operating system. The options are:
●Windows Boot Manager
By default, the options is checked.
Boot List Options Allows you to change the boot list option:
●UEFI (The option is enabled by default)
Advanced Boot
Options
Allows you the legacy option ROMs to load. By default, all the option are disabled.
UEFI Boot Path
SecurityOptions
Allows you to control whether or not the system will prompt to the user to enter the Admin password,
when a user selects a UEFI boot path from the F12 boot Menu.
●Always, Except Internal HDD. This option is enabled by default.
●Always, Except Internal HDD&PXE
●Never
NOTE: These options have no relevance if the Admin password is not set BIOS settings.
Date/Time Allows you to change the date and time.
System Configuration screen options
Option Description
SMART
Reporting
This field controls whether hard drive errors for integrated drives are reported during system startup. This
technology is part of the SMART (Self-Monitoring Analysis and Reporting Technology) specification. This
option is disabled by default.
●Enable SMART Reporting
USB
Configuration
This is an optional feature.
This field configures the integrated USB controller. If Boot Support is enabled, the system is allowed to
boot any type of USB Mass Storage Devices—HDD, memory key, floppy.
If USB port is enabled, device attached to this port is enabled and available for OS.
If USB port is disabled, the OS cannot see any device attached to this port.
The options are:
●Enable USB Boot Support—enabled by default
●Enable External USB Port—enabled by default
NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
USB PowerShare This field configures the USB PowerShare feature behavior. This option allows you to charge external
devices using the stored system battery power through the USB PowerShare port. This option is disabled
by default
Audio This field enables or disables the integrated audio controller. By default, the Enable Audio option is
selected. The options are:
●Enable Microphone—enabled by default
●Enable Internal Speaker—enabled by default
System setup 71
Option Description
Keyboard
Illumination
This field lets you choose the operating mode of the keyboard illumination feature. The keyboard
brightness level can be set from 0% to 100%. The options are:
●Bright (default)
●Dim (50%)
Keyboard
Backlight
Timeout on
Battery
The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature
is not affected. Keyboard Illumination will continue to support the various illumination levels. This field has
an effect when the backlight is enabled. The options are:
●5 sec
●10 sec—enabled by default
●15 sec
●30 sec
●1 min
●5 min
●15 min
●Never
Keyboard
Backlight
Timeout on AC
The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is not
affected. Keyboard Illumination will continue to support the various illumination levels. This field has an
effect when the backlight is enabled. The options are:
●5 sec
●10 sec—enabled by default
●15 sec
●30 sec
●1 min
●5 min
●15 min
●Never
Unobtrusive
Mode
This option, when enabled, pressing Fn+shift+B turns off all light and sound emissions in the system. To
resume normal operation, press Fn+shift+B again. This option is disabled by default.
Miscellaneous
Devices
Allows you to enable or disable the following devices:
●Enable Front Camera—enabled by default
●Enable Back Camera—enabled by default
●Secure Digital (SD) card—enabled by default
●Secure Digital (SD) card boot
●Secure Digital (SD) card read-only-mode
System Configuration screen options
Option Description
Integrated NIC Does not allow you to control the on-board LAN controller. The options are:
●DisabledThe internal LAN in off and not visible to the operating system.
●DisabledThe internal LAN is enabled.
●Disabled w/PXEThe internal LAN is enabled (with PXE boot). This option is enabled by default.
Drives Allows you to configure the various drives on board. All drives are enabled by default. The option is:
●M.2 2230 PCI-e SSD
SMART
Reporting
This field controls whether hard drive errors for integrated drives are reported during system startup. This
technology is part of the SMART (Self Monitoring Analysis and Reporting Technology) specification. This
option is disabled by default.
●Enable SMART Reporting
USB
Configuration
This is an optional feature.
This field configures the integrated USB controller. If Boot Support is enabled, the system is allowed to
boot any type of USB Mass Storage Devices (HDD, memory key, floppy).
72 System setup
Option Description
If USB port is enabled, device attached to this port is enabled and available for OS.
If USB port is disabled, the OS cannot see any device attached to this port.
The options are:
●Enable USB Boot Support
●Enable External USB Port
NOTE: Both the option is enabled by default.
Dell Type-C dock
configuration
Does not support this configuration
Thunderbolt
Adapter
configuration:
Allows you to configure the Thunderbolt™ adapter security settings within the Operating System.
NOTE: Security Levels are not applicable or enforced in the Pre-boot environment.
The options are:
●Enable Thunderbolt™ Technology SupportThis option is enabled by default.
●Enable Thunderbolt™ Adapter Boot Support
●Enable Thunderbolt™ Adapter Pre-boot Modules
●Security level - No Security
●Security level - User AuthorizationThis option is enabled by default.
●Security level - Secure Correct
●Security level - Display Port only
USB PowerShare Allows you to charge external devices using the stored system battery power through the USB
PowerShare port. This field can also configure the USB PowerShare feature behavior. By default, the
Enable USB PowerShare is disabled.
Audio Allows you to enable or disable the integrated audio controller. By default, the Enable Audio option is
selected. The options are:
●Enable MicrophoneThis option is enabled by default.
●Enable Internal Speaker This option is enabled by default.
Keyboard
Illumination
Allows you to choose the operating mode of the keyboard illumination feature. The keyboard brightness
level can be set from 0% to 100%. The options are:
●Disabled
●Dim
●Bright This option is enabled by default.
NOTE: The <Fn+F10> hotkey can be used to change the setting.
Keyboard
Backlight
Timeout on AC
Allows you to define the time-out value for the keyboard Backlight when an AC adapter is plugged into
the system. The main keyboard illumination feature is not affected. Keyboard Illumination will continue to
support the various illumination levels. This field has an effect when the backlight is enabled. The options
are:
●5 seconds
●10 seconds This option is enabled by default.
●15 seconds
●30 seconds
●1 minute
●5 minute
●15 minute
●never
Keyboard
Backlight Time-
out on Battery
Allows you to define the Keyboard Backlight Time-out dims out with Battery option. The main keyboard
illumination feature is not affected. Keyboard Illumination will continue to support the various illumination
levels. This field has an effect when the backlight is enabled. The options are:
●5 seconds
●10 seconds This option is enabled by default.
●15 seconds
System setup 73
Option Description
●30 seconds
●1 minute
●5 minute
●15 minute
●never
Touchscreen Does not support this option
Unobtrusive
Mode
Allows you to select the option. When enabled, pressing Fn+F7 turns off all light and sound emissions in
the system. To resume normal operation, press Fn+F7 again. This option is disabled by default.
Miscellaneous
Devices
Allows you to enable or disable various on board devices:
●Enable Camera This option is enabled by default.
●Enable Secure Digital(SD) CardThis option is enabled by default.
●Secure Digital(SD) Card read only mode
Video screen options
Option Description
LCD Brightness Allows you to set the display brightness depending up on the power source (On Battery and On AC).
NOTE: The video setting will be visible only when a video card is installed into the system.
Security screen options
Option Description
Admin Password Allows you to set, change, or delete the administrator (admin) password.
NOTE: You must set the admin password before you set the system or hard drive password. Deleting
the admin password automatically deletes the system password and the hard drive password.
NOTE: Password changes take effect immediately.
By default, the drive will not have a password set.
System
Password
Allows you to set, change or delete the system password.
NOTE: Password changes take effect immediately.
By default, the drive will not have a password set.
Password
Configuration
Allows you to determine the minimum and maximum length of Administrator and System passwords.
Password Bypass Allows you to disable or enable the permission to bypass the System and the Internal hard drive password,
when they are set. The options are:
●Disabled. This option is selected by default.
●Reboot bypass
Password
Change
Allows you to enable or disable permission to the System and Hard Drive passwords when the admin
password is set.
Allow Non-Admin Password Changes This option is selected by default.
UEFI Capsule
Firmware
Updates
This option controls whether the system allows BIOS updates via UEFI capsule update packages.
Enable UEFI Capsule Firmware Updates option is selected by default.
NOTE: Disabling this option will block BIOS updates from services such as Microsoft Windows
Update and Linux Vendor Firmware Service (LVFS).
74 System setup
Option Description
TPM 2.0 Security Allows you to enable the Trusted Platform Module (TPM) during POST.
You can control whether the trusted platform module is visible to the operating system. The option is:
●TPM on This option is selected by default.
●Clear
●PPI Bypass for Disable Commands
●PPI Bypass for Clear Command" in TPM 2.0 Security.
●Attestation Enable. This option is selected by default.
●PPI Bypass for Disable Commands
●Key Storage Enable. This option is selected by default.
●SHA-256. This option is selected by default.
CAUTION: For the TPM upgrade/downgrade process, it is recommended to complete
the process in an AC power with AC adapter plugged into the computer. The upgrade/
downgrade process without the AC adapter plugged in might damage the computer or hard
disk.
NOTE: Disabling this option does not change any settings you have made to the TPM, nor does it
delete or change any information or keys you may have stored in the TPM. Changes to this setting
take effect immediately.
Absolute (R) Allows you to activate or disable the optional Computrace Service from Absolute software. The options
are:
●Deactivate
●Disable
●Activate
NOTE: The Activate and Disable options will permanently activate or disable the feature and no
further changes will be allowed
Default setting: Activate
Admin Setup
Lockout
Allows you to prevent users from entering the setup when an Administrator password is set.
Enable Admin Setup Lockout This option is not selected by default.
Master Password
Lockout
Allows you to prevent users from entering the setup when an Master password is set. Hard disk
passwords need to be cleared before the setting can be changed.
Enable Master Password Lockout This option is not selected by default.
SSM Security
Mitigation
Allows you to enable or disable additional UEFI SMM Security Mitigation protections. The OS can use the
feature to help protect the secure environment created by virtualization based security.
SSM Security Mitigation This option is disabled by default.
Secure Boot
Option Description
Secure Boot
Enable
This option enables or disables the Secure Boot feature.
●Disabled
●Enabled
Default setting: Enabled.
Expert Key
Management
Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable
Custom Mode option is disabled by default.
Custom Mode
Key Management
Allows you to manage the security key databases only if the system is in Custom Mode .The options are:
●PK. This option is selected by default.
●KEK
System setup 75
Option Description
●db
●dbx
NOTE: If you disable the Enable Custom Mode, all the changes made will be erased and the keys
will restore to default settings. Save to File will save the key to a user-selected file.
Intel software Guard Extensions
Option Description
Intel SGX Enable This option enables or disables to provide a secured environment for running code/storing sensitive
information in the context of the main OS. The options are:
●Disabled
●Enabled
●Software Controlled.This option is selected by default.
Enclave Memory
Size
Allows you to reserve the memory size. The memory size can be set from 32 MB to 128 MB, these options
are disabled by default. The options are:
●32 MB
●64 MB
●128 MB
Performance screen options
Option Description
Multi Core
Support
This field specifies whether the process has one or all cores enabled. The performance of some
applications improves with the additional cores. This option is enabled by default. Allows you to enable or
disable multi-core support for the processor.
●AllThis option is enabled by default.
●1
●2
●3
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the processor.
●Enable Intel SpeedStep
Default setting: The option is enabled.
C-States Control Allows you to enable or disable the additional processor sleep states.
●C states
Default setting: The option is enabled.
Intel TurboBoost Allows you to enable or disable the Intel TurboBoost mode of the processor.
●Enable Intel TurboBoost
Default setting: The option is enabled.
HyperThread
Control
Allows you to enable or disable the HyperThreading in the processor.
●Disabled
●EnabledThis option is enabled by default.
76 System setup
Power Management screen options
Option Description
AC Behavior Allows you to enable or disable the computer from turning on automatically when an AC adapter is
connected.
Wake on AC This option is disabled by default.
Enable Intel
Speed Shift
Technology
Allows you to enable or disable the Intel speed Shift Technology support. Setting to enable option, allows
the operating system to automatically select the required processor performance.
Enable Intel Speed Shift Technology This option is enabled by default.
Auto On Time Allows you to set the time at which the computer must turn on automatically. The options are:
●Disabled This option is enabled by default.
●Every Day
●Weekdays
●Select Days
USB Wake
Support
Does not allow this option.
Lid Switch Allows this option.
Thermal
Management
Allows this option..
Wireless Radio
Control
Allows you to sense the connection of the system to a wired network and subsequently disable the
selected wireless radios (WLAN and/or WWAN)
Upon disconnection from the wired network, the selected wireless radios is re-enabled. By default none of
the option is enabled. The options are:
●Control WLAN radio
●Control WWAN radio
Wake on WLAN Allows you to enable or disable the feature that powers on the computer from the Off state when
triggered by a LAN signal.
●Disabled This option is selected by default.
●LAN with PXE Boot
●LAN Only
Peak Shift Allows you to minimize the AC power consumption during the peak power times of day. After you enable
this option, your system runs only in battery even if the AC is attached.
●Enable Peak ShiftThis option is not selected by default.
Advanced
Battery Charge
Configuration
This option enables you to maximize the battery health. By enabling this option, your system uses the
standard charging algorithm and other techniques, during the non-work hours to improve the battery
health.
●Enable Advanced Battery Charge ModeThis option is not selected by default.
Primary
Battery Charge
Configuration
Allows you to select the charging mode for the battery. The options are:
●Adaptive This option is enabled by default.
●Standard Fully charges your battery at a standard rate.
●ExpressCharge The battery charges over a shorter period of time using Dell’s fast charging
technology.
●Primarily AC use
●Custom
If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.
NOTE: All charging mode may not be available for all the batteries. To enable this option, disable the
Advanced Battery Charge Configuration option.
System setup 77
POST Behavior
Option Description
Adapter
Warnings
Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power
adapters.
Enable Adapter Warnings This option is selected by default.
Numlock Enable Allows you to enable the Numlock option when the computer boots.
●Enable Network This option is enabled by default.
Fn Lock Options Allows you to let hot key combinations Fn + Esc toggle the primary behavior of F1 – F12, between their
standard and secondary functions. If you disable this option, you cannot toggle dynamically the primary
behavior of these keys. The available options are:
●Lock Mode Disable/Standard This option is selected by default.
●Lock Mode Enable/Secondary
Fastboot Allows you to speed up the boot process by bypassing some of the compatibility steps. The options are:
●Minimal This option is selected by default.
●Thorough
●Auto
Extended BIOS
POST Time
Allows you to create an additional pre-boot delay. The options are:
●0 seconds This option is enabled by default.
●5 seconds
●10 seconds
Warnings and
Errors
Allows you to select in the BIOS setup options that cause the boot process to pause only, when warnings
or errors are detected rather than stop, prompt and wait for user input. The options are:
Prompt on Warnings and Errors. This option is enabled by default.
Continue on Warnings
Sign of Life Indication
Virtualization Support options
Option Description
Virtualization Allows you to enable or disable the Intel Virtualization Technology.
Enable Intel Virtualization Technology This option is selected by default.
VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities
provided by Intel® Virtualization technology for direct I/O.
Enable VT for Direct I/O This option is selected by default.
Trusted
Execution
This option specifies whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional
hardware capabilities provided by Intel Trusted Execution Technology. The TPM Virtualization
Technology, and Virtualization technology for direct I/O must be enabled to use this feature.
Trusted Execution This option is disabled by default.
Wireless screen options
Option Description
Wireless Device
Enable
Allows you to enable or disable the internal wireless devices.
●WWAN/GPS
●WLAN
78 System setup
Option Description
●Bluetooth
All the options are enabled by default.
NOTE: IMEI number for WWAN can be found on the outer box or the WWAN card.
Maintenance
Option Description
Service Tag Displays the Service Tag of your computer.
Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default.
BIOS Downgrade Allows you to control flashing of the system firmware to previous revisions. The option are:
Allows BIOS Downgrade This option is enabled by default.
Data Wipe Allows you to securely erase data from all internal storage devices. The process adheres to Serial ATA
Security Erase and eMMC JEDEC Sanitize specifications. The option are:
Wipe on Next Boot This option is disabled by default.
BIOS Recovery Allows you to recover from certain computed BIOS conditions from a recovery file on the user primary
hard drive or an external USB key. When 'Enabled' is selected BIOS stores the recovery file on the user
primary hard drive.The option are:
BIOS Recovery from Hard Drive This option is enabled by default.
System logs screen options
Option Description
BIOS Events Allows you to view and clear the System Setup (BIOS) POST events.
Thermal Events Allows you to view and clear the System Setup (Thermal) events.
Power Events Allows you to view and clear the System Setup (Power) events.
Updating the BIOS
Updating the BIOS in Windows
About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article: https://
www.dell.com/support/article/sln153694
Steps
1. Go to www.dell.com/support.
2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search.
NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
can also use the product ID or manually browse for your computer model.
System setup 79
3. Click Drivers & Downloads. Expand Find drivers.
4. Select the operating system installed on your computer.
5. In the Category drop-down list, select BIOS.
6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer.
7. After the download is complete, browse the folder where you saved the BIOS update file.
8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, see knowledge base article 000124211 at www.dell.com/support.
Updating the BIOS using the USB drive in Windows
About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article: https://
www.dell.com/support/article/sln153694
Steps
1. Follow the procedure from step 1 to step 6 in Updating the BIOS in Windows to download the latest BIOS setup program file.
2. Create a bootable USB drive. For more information, see the knowledge base article 000145519 at www.dell.com/support.
3. Copy the BIOS setup program file to the bootable USB drive.
4. Connect the bootable USB drive to the computer that needs the BIOS update.
5. Restart the computer and press F12 .
6. Select the USB drive from the One Time Boot Menu.
7. Type the BIOS setup program filename and press Enter.
The BIOS Update Utility appears.
8. Follow the on-screen instructions to complete the BIOS update.
Updating the BIOS from the F12 One-Time boot menu
Update your computer BIOS using the BIOS update.exe file that is copied to a FAT32 USB drive and booting from the F12
One-Time boot menu.
About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article: https://
www.dell.com/support/article/sln153694
BIOS Update
You can run the BIOS update file from Windows using a bootable USB drive or you can also update the BIOS from the F12
One-Time boot menu on the computer.
Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12
One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the
BIOS supports this BIOS update option.
NOTE: Only computers with BIOS Flash Update option in the F12 One-Time boot menu can use this function.
Updating from the One-Time boot menu
To update your BIOS from the F12 One-Time boot menu, you need the following:
●USB drive formatted to the FAT32 file system (key does not have to be bootable)
80 System setup
●BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive
●AC power adapter that is connected to the computer
●Functional computer battery to flash the BIOS
Perform the following steps to perform the BIOS update flash process from the F12 menu:
CAUTION: Do not turn off the computer during the BIOS update process. The computer may not boot if you turn
off your computer.
Steps
1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer.
2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys
then press Enter.
The flash BIOS menu is displayed.
3. Click Flash from file.
4. Select external USB device.
5. Select the file and double-click the flash target file, and then click Submit.
6. Click Update BIOS. The computer restarts to flash the BIOS.
7. The computer will restart after the BIOS update is completed.
System and setup password
Table 4. System and setup password
Password type Description
System password Password that you must enter to log in to your system.
Setup password Password that you must enter to access and make changes to
the BIOS settings of your computer.
You can create a system password and a setup password to secure your computer.
CAUTION: The password features provide a basic level of security for the data on your computer.
CAUTION: Anyone can access the data that is stored on your computer if it is not locked and left unattended.
NOTE: System and setup password feature is disabled.
Assigning a system setup password
Prerequisites
You can assign a new System or Admin Password only when the status is in Not Set.
About this task
To enter the system setup, press F12 immediately after a power-on or reboot.
Steps
1. In the System BIOS or System Setup screen, select Security and press Enter.
The Security screen is displayed.
2. Select System/Admin Password and create a password in the Enter the new password field.
Use the following guidelines to assign the system password:
●A password can have up to 32 characters.
●The password can contain the numbers 0 through 9.
●Only lower case letters are valid, upper case letters are not valid.
System setup 81
●Only the following special characters are valid: Space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
3. Type the system password that you entered earlier in the Confirm new password field and click OK.
4. Press Esc and a message prompt's you to save the changes.
5. Press Y to save the changes.
The computer restarts.
Deleting or changing an existing system setup password
Prerequisites
Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing
System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is
Locked.
About this task
To enter the System Setup, press F12 immediately after a power-on or reboot.
Steps
1. In the System BIOS or System Setup screen, select System Security and press Enter.
The System Security screen is displayed.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password, update, or delete the existing system password, and press Enter or Tab.
4. Select Setup Password, update, or delete the existing setup password, and press Enter or Tab.
NOTE: If you change the System and/or Setup password, reenter the new password when prompted. If you delete the
System and/or Setup password, confirm the deletion when prompted.
5. Press Esc and a message prompts you to save the changes.
6. Press Y to save the changes and exit from System Setup.
The computer restarts.
Clearing BIOS (System Setup) and System passwords
About this task
To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell.
NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
82 System setup
Troubleshooting
Topics:
•Handling swollen Lithium-ion batteries
•Dell SupportAssist Pre-boot System Performance Check diagnostics
•Built-in self-test (BIST)
•System diagnostic lights
•Recovering the operating system
•Backup media and recovery options
•WiFi power cycle
•Flea power release
Handling swollen Lithium-ion batteries
Like most laptops, Dell laptops use lithium-ion batteries. One type of lithium-ion battery is the lithium-ion polymer battery.
Lithium-ion polymer batteries have increased in popularity in recent years and have become standard in the electronics industry
due to customer preferences for a slim form factor (especially with newer ultra-thin laptops) and long battery life. Inherent to
lithium-ion polymer battery technology is the potential for swelling of the battery cells.
Swollen battery may impact the performance of the laptop. To prevent possible further damage to the device enclosure or
internal components leading to malfunction, discontinue the use of the laptop and discharge it by disconnecting the AC adapter
and letting the battery drain.
Swollen batteries should not be used and should be replaced and disposed of properly. We recommend contacting Dell product
support for options to replace a swollen battery under the terms of the applicable warranty or service contract, including options
for replacement by a Dell authorized service technician.
The guidelines for handling and replacing Lithium-ion batteries are as follows:
●Exercise caution when handling Lithium-ion batteries.
●Discharge the battery before removing it from the system. To discharge the battery, unplug the AC adapter from the system
and operate the system only on battery power. When the system will no longer power on when the power button is pressed,
the battery is fully discharged.
●Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
●Do not expose the battery to high temperatures, or disassemble battery packs and cells.
●Do not apply pressure to the surface of the battery.
●Do not bend the battery.
●Do not use tools of any type to pry on or against the battery.
●If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a battery
can be dangerous.
●Do not attempt to reassemble a damaged or swollen battery into a laptop.
●Swollen batteries that are covered under warranty should be returned to Dell in an approved shipping container (provided
by Dell)—this is to comply with transportation regulations. Swollen batteries that are not covered under warranty should be
disposed of at an approved recycling center. Contact Dell product support at https://www.dell.com/support for assistance
and further instructions.
●Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a
compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other
computers with your computer. Always purchase genuine batteries from https://www.dell.com or otherwise directly from
Dell.
Lithium-ion batteries can swell for various reasons such as age, number of charge cycles, or exposure to high heat. For more
information on how to improve the performance and lifespan of the laptop battery and to minimize the possibility of occurrence
of the issue, see Dell Laptop Battery - Frequently Asked Questions.
5
Troubleshooting 83
Dell SupportAssist Pre-boot System Performance
Check diagnostics
About this task
SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell
SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS
internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to:
●Run tests automatically or in an interactive mode
●Repeat tests
●Display or save test results
●Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
●View status messages that inform you if tests are completed successfully
●View error messages that inform you of problems encountered during testing
NOTE: Some tests for specific devices require user interaction. Always ensure that you are present at the computer
terminal when the diagnostic tests are performed.
For more information, see https://www.dell.com/support/kbdoc/000180971.
Running the SupportAssist Pre-Boot System Performance Check
Steps
1. Turn on your computer.
2. As the computer boots, press the F12 key as the Dell logo appears.
3. On the boot menu screen, select the Diagnostics option.
4. Click the arrow at the bottom left corner.
Diagnostics front page is displayed.
5. Click the arrow in the lower-right corner to go to the page listing.
The items detected are listed.
6. To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test.
7. Select the device from the left pane and click Run Tests.
8. If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Built-in self-test (BIST)
M-BIST
M-BIST (Built In Self-Test) is the system board's built-in self-test diagnostics tool that improves the diagnostics accuracy of
system board embedded controller (EC) failures.
NOTE: M-BIST can be manually initiated before POST (Power On Self Test).
How to run M-BIST
NOTE: M-BIST must be initiated on the system from a power-off state either connected to AC power or with battery only.
1. Press and hold both the M key on the keyboard and the power button to initiate M-BIST.
2. With both the M key and the power button held down, the battery indicator LED may exhibit two states:
a. OFF: No fault detected with the system board
b. AMBER: Indicates a problem with the system board
3. If there is a failure with the system board, the battery status LED will flash one of the following error codes for 30 seconds:
84 Troubleshooting
Table 5. LED error codes
Blinking Pattern Possible Problem
Amber White
2 1 CPU Failure
2 8 LCD Power Rail Failure
1 1 TPM Detection Failure
2 4 Unrecoverable SPI Failure
4. If there is no failure with the system board, the LCD will cycle through the solid color screens described in the LCD-BIST
section for 30 seconds and then power off.
LCD Power rail test (L-BIST)
L-BIST is an enhancement to the single LED error code diagnostics and is automatically initiated during POST. L-BIST will check
the LCD power rail. If there is no power being supplied to the LCD (i.e., the L-BIST circuit fails), the battery status LED will flash
either an error code [2,8] or an error code [2,7].
NOTE: If L-BIST fails, LCD-BIST cannot function as no power will be supplied to the LCD.
How to invoke L-BIST Test:
1. Press the power button to start the system.
2. If the system does not start up normally, look at the battery status LED:
●If the battery status LED flashes an error code [2,7], the display cable may not be connected properly.
●If the battery status LED flashes an error code [2,8], there is a failure on the LCD power rail of the system board, hence
there is no power supplied to the LCD.
3. For cases, when a [2,7] error code is shown, check to see if the display cable is properly connected.
4. For cases when a [2,8] error code is shown, replace the system board.
LCD Built-in Self Test (BIST)
Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent
problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and PC settings.
When you notice screen abnormalities like flickering, distortion, clarity issues, fuzzy or blurry image, horizontal or vertical lines,
color fade etc., it is always a good practice to isolate the LCD (screen) by running the Built-In Self Test (BIST).
How to invoke LCD BIST Test
1. Power off the Dell laptop.
2. Disconnect any peripherals that are connected to the laptop. Connect only the AC adapter (charger) to the laptop.
3. Ensure that the LCD (screen) is clean (no dust particles on the surface of the screen).
4. Press and hold D key and Power on the laptop to enter LCD built-in self test (BIST) mode. Continue to hold the D key, until
the system boots up.
5. The screen will display solid colors and change colors on the entire screen to white, black, red, green, and blue twice.
6. Then it will display the colors white, black and red.
7. Carefully inspect the screen for abnormalities (any lines, fuzzy color or distortion on the screen).
8. At the end of the last solid color (red), the system will shut down.
NOTE: Dell SupportAssist Pre-boot diagnostics upon launch, initiates an LCD BIST first, expecting a user intervention
confirm functionality of the LCD.
Troubleshooting 85
System diagnostic lights
Battery-status light
Indicates the power and battery-charge status.
Solid white — Power adapter is connected and the battery has more than 5 percent charge.
Amber — Computer is running on battery and the battery has less than 5 percent charge.
Off
●Power adapter is connected and the battery is fully charged.
●Computer is running on battery and the battery has more than 5 percent charge.
●Computer is in sleep state, hibernation, or turned off.
The power and battery-status light blinks amber along with beep codes indicating failures.
For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times
followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.
The following table shows different power and battery-status light patterns and associated problems.
Blinking Pattern Problem description Suggested resolution
1 1 TPM detection failure Replace the system board.
1 2 Unrecoverable SPI flash
failure
Replace the system board.
1 5 EC unable to program i-Fuse Replace the system board.
1 6 Generic catch-all for
ungraceful EC code flow
errors
Disconnect all power source
(AC, battery, coin cell) and
drain flea power by pressing &
holding down power button.
2 1 CPU failure Run the Intel CPU diagnostics
tools. If problem persists,
replace the system board.
2 2 System Board failure
(included BIOS corruption or
ROM error)
Flash latest BIOS version. If
problem persists, replace the
system board.
2 3 No Memory / RAM detected Confirm that the memory
module is installed properly. If
problem persists, replace the
memory module.
2 4 Memory / RAM failure Reset and swap memory
modules amongst the slots. If
problem persists, replace the
memory module.
2 5 Invalid memory installed Reset and swap memory
modules amongst the slots. If
problem persists, replace the
memory module.
2 6 System board / Chipset Error Replace the system board.
2 7 LCD failure (SBIOS message) Replace the LCD module.
2 8 LCD failure (EC detection of
power rail failure)
Replace the system board.
3 1 CMOS battery failure Reset the CMOS battery
connection. If problem
persists, replace the RTC
battery.
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Blinking Pattern Problem description Suggested resolution
3 2 PCI or Video card/chip failure Replace the system board.
3 3 BIOS recovery image not
found
Flash latest BIOS version. If
problem persists, replace the
system board.
3 4 BIOS recovery image found
but invalid
Flash latest BIOS version. If
problem persists, replace the
system board.
3 5 Power rail failure Replace the system board.
3 6 Flash corruption detected by
SBIOS.
Replace the system board.
3 7 Timeout waiting on ME to
reply to HECI message.
Replace the system board.
Camera status light: Indicates whether the camera is in use.
●Solid white — Camera is in use.
●Off — Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
●Solid white — Caps Lock enabled.
●Off — Caps Lock disabled.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows operating
system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating
system. It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its
factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their
primary operating system due to software or hardware failures.
For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at
www.dell.com/serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery.
Backup media and recovery options
It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes
multiple options for recovering Windows operating system on your Dell PC. For more information. see Dell Windows Backup
Media and Recovery Options.
WiFi power cycle
About this task
If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be
performed. The following procedure provides the instructions on how to conduct a WiFi power cycle:
NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.
Steps
1. Turn off your computer.
Troubleshooting 87
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
5. Turn on the wireless router.
6. Turn on the modem.
7. Turn on your computer.
Flea power release
About this task
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has
been removed. The following procedure provides the instructions on how to conduct flea power release:
Steps
1. Turn off your computer.
2. Disconnect the power adapter from your computer.
3. Press and hold the power button for 15 seconds to drain the flea power.
4. Connect the power adapter to your computer.
5. Turn on your computer.
88 Troubleshooting
Getting help and contacting Dell
Self-help resources
You can get information and help on Dell products and services using these self-help resources:
Table 6. Self-help resources
Self-help resources Resource location
Information about Dell products and services www.dell.com
Tips
Contact Support In Windows search, type Contact Support, and press
Enter.
Online help for operating system www.dell.com/support/windows
www.dell.com/support/linux
Troubleshooting information, user manuals, setup instructions,
product specifications, technical help blogs, drivers, software
updates, and so on.
www.dell.com/support
Dell knowledge base articles for a variety of computer
concerns.
1. Go to https://www.dell.com/support/home/?
app=knowledgebase.
2. Type the subject or keyword in the Search box.
3. Click Search to retrieve the related articles.
Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell.
NOTE: Availability varies by country and product, and some services may not be available in your country.
NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing
slip, bill, or Dell product catalog.
6
Getting help and contacting Dell 89