Table of Contents
- OptiPlex 3000 Thin Client Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 3000 Thin Client
- Side cover
- Speaker
- Solid-state drive assembly
- Memory
- WLAN card
- Optional modules
- Removing the optional Type-C module
- Installing the optional Type-C module
- Removing the optional HDMI module
- Installing the optional HDMI module
- Removing the optional Serial module
- Installing the optional Serial module
- Removing the optional PS/2 keyboard/mouse module
- Installing the optional PS/2 keyboard/mouse module
- Coin-cell battery
- Heat sink
- Antenna Assembly
- SMA Antenna Assembly
- System board
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
DELL OptiPlex 3000 User Manual
Displayed below is the user manual for OptiPlex 3000 by DELL which is a product in the Thin Clients category. This manual has pages.
Related Manuals
OptiPlex 3000 Thin Client
Service Manual
Regulatory Model: D15U
Regulatory Type: D15U003
March 2022
Rev. A00
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.
© 2022 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...................................................................................... 5
Safety instructions.............................................................................................................................................................. 5
Before working inside your computer.......................................................................................................................5
Safety precautions........................................................................................................................................................ 6
Electrostatic discharge—ESD protection............................................................................................................... 6
ESD field service kit ..................................................................................................................................................... 7
Transporting sensitive components.......................................................................................................................... 8
After working inside your computer..........................................................................................................................8
BitLocker..........................................................................................................................................................................8
Chapter 2: Removing and installing components........................................................................... 9
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
Major components of OptiPlex 3000 Thin Client.......................................................................................................10
Side cover.............................................................................................................................................................................11
Removing the side cover.............................................................................................................................................11
Installing the side cover.............................................................................................................................................. 12
Speaker.................................................................................................................................................................................14
Removing the speaker.................................................................................................................................................14
Installing the speaker...................................................................................................................................................14
Solid-state drive assembly............................................................................................................................................... 15
Removing the solid-state drive assembly...............................................................................................................15
Installing the solid-state drive assembly.................................................................................................................16
Memory ................................................................................................................................................................................17
Removing the memory ............................................................................................................................................... 17
Installing the memory.................................................................................................................................................. 18
WLAN card.......................................................................................................................................................................... 19
Removing the WLAN card..........................................................................................................................................19
Installing the WLAN card...........................................................................................................................................20
Optional modules............................................................................................................................................................... 22
Removing the optional Type-C module .................................................................................................................22
Installing the optional Type-C module ...................................................................................................................22
Removing the optional HDMI module..................................................................................................................... 23
Installing the optional HDMI module....................................................................................................................... 24
Removing the optional Serial module..................................................................................................................... 25
Installing the optional Serial module........................................................................................................................26
Removing the optional PS/2 keyboard/mouse module..................................................................................... 27
Installing the optional PS/2 keyboard/mouse module........................................................................................27
Coin-cell battery................................................................................................................................................................ 28
Removing the coin-cell battery................................................................................................................................28
Installing the coin-cell battery.................................................................................................................................. 28
Heat sink..............................................................................................................................................................................30
Removing the heat sink............................................................................................................................................. 30
Installing the heat sink................................................................................................................................................30
Contents
Contents 3
Antenna Assembly..............................................................................................................................................................31
Removing the antenna (Location 1).........................................................................................................................31
Installing the antenna (Location 1)..........................................................................................................................32
Removing the antenna (Location 3)....................................................................................................................... 33
Installing the antenna (Location 3)......................................................................................................................... 34
SMA Antenna Assembly...................................................................................................................................................35
Removing the SMA antenna assembly (Location 3)...........................................................................................35
Installing the SMA antenna assembly (Location 3).............................................................................................36
System board......................................................................................................................................................................37
Removing the system board..................................................................................................................................... 37
Installing the system board....................................................................................................................................... 40
Chapter 3: Drivers and downloads............................................................................................... 44
Chapter 4: BIOS setup.................................................................................................................45
Entering BIOS setup program........................................................................................................................................ 45
Navigation keys..................................................................................................................................................................45
One time boot menu.........................................................................................................................................................45
System setup options.......................................................................................................................................................46
Updating the BIOS............................................................................................................................................................ 53
Updating the BIOS in Windows................................................................................................................................53
Updating the BIOS in Linux and Ubuntu................................................................................................................ 54
Updating the BIOS using the USB drive in Windows..........................................................................................54
Updating the BIOS from the F12 One-Time boot menu.....................................................................................54
System and setup password.......................................................................................................................................... 55
Assigning a system setup password....................................................................................................................... 55
Deleting or changing an existing system setup password.................................................................................56
Clearing CMOS settings.................................................................................................................................................. 56
Clearing BIOS (System Setup) and System passwords...........................................................................................57
Chapter 5: Troubleshooting.........................................................................................................58
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................58
Running the SupportAssist Pre-Boot System Performance Check................................................................58
Power-Supply Unit Built-in Self-Test ..........................................................................................................................58
System-diagnostic lights................................................................................................................................................. 59
Recovering the operating system................................................................................................................................. 60
Real Time Clock—RTC reset......................................................................................................................................... 60
Backup media and recovery options..............................................................................................................................61
WiFi power cycle................................................................................................................................................................ 61
Chapter 6: Getting help and contacting Dell................................................................................ 62
4Contents
Working inside your computer
Safety instructions
Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless
otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped
with your computer.
WARNING: Before working inside your computer, read the safety information that is shipped with your
computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance.
WARNING: Disconnect your computer from all power sources before opening the computer cover or panels.
After you finish working inside the computer, replace all covers, panels, and screws before connecting your
computer to an electrical outlet.
CAUTION: To avoid damaging the computer, ensure that the work surface is flat, dry, and clean.
CAUTION: To avoid damaging the components and cards, handle them by their edges, and avoid touching the
pins and the contacts.
CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical
assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the
safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.
CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal
surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal
surface to dissipate static electricity which could harm internal components.
CAUTION: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables
have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable.
When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting
cables, ensure that the ports and the connectors are correctly oriented and aligned.
CAUTION: Press and eject any installed card from the media-card reader.
CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used
and should be replaced and disposed properly.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
Before working inside your computer
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.
1
Working inside your computer 5
5. Remove any media card and optical disc from your computer, if applicable.
6. After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board.
CAUTION: Place the computer on a flat, soft, and clean surface to avoid scratches on the display.
7. Place the computer face down.
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.
Unplugging, pressing and holding the power button for 15 seconds should discharge residual power in the system board.
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:
6Working inside your computer
●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
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.
Working inside your computer 7
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.
Lifting equipment
Adhere to the following guidelines when lifting heavy weight equipment:
CAUTION: Do not lift greater than 50 pounds. Always obtain additional resources or use a mechanical lifting
device.
1. Get a firm balanced footing. Keep your feet apart for a stable base, and point your toes out.
2. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load.
3. Lift with your legs, not your back.
4. Keep the load close. The closer it is to your spine, the less force it exerts on your back.
5. Keep your back upright, whether lifting or setting down the load. Do not add the weight of your body to the load. Avoid
twisting your body and back.
6. Follow the same techniques in reverse to set the load down.
After working inside your computer
About this task
NOTE: 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.
BitLocker
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 reinstall. For more information about this subject, see Knowledge Article:
updating the BIOS on Dell systems with BitLocker enabled.
The installation of the following components triggers BitLocker:
●Hard disk drive or solid state drive
●System board
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.
Recommended tools
The procedures in this document may require the following tools:
●Phillips screwdriver #0
●Phillips screwdriver #1
●Torx #5 (T5) screwdriver
●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 computers have magnetic surfaces. Ensure that the screws are not left attached to such surfaces when
replacing a component.
NOTE: Screw color may vary with the configuration ordered.
Table 1. Screw list
Component Screw type Quantity Image
Side cover Thumb screw (#6-32) 1
M.2 2230 solid-state drive heat sink Captive screw 2 NA
M.2 2230 solid-state drive M2x3.5 1
WLAN card M2x3.5 1
Heat sink Captive screw 4 NA
System board M3x4
M3x5
2 (1 for M.2
WiFi standoff and
1 for M.2 SSD
standoff)
6 (5 for system
board and 1 for
speaker holder)
2
Removing and installing components 9
Major components of OptiPlex 3000 Thin Client
The following image shows the major components of OptiPlex 3000 Thin Client.
1. Side cover 2. Heat sink
3. Memory module 4. System board
5. Chassis 6. Speaker
7. Optional module 8. WLAN card
9. Solid-state drive heat sink 10. M.2 2230 solid-state drive
10 Removing and installing components
NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These
parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for
purchase options.
Side cover
Removing the side cover
Prerequisites
1. Follow the procedure in before working inside your computer.
About this task
The following images indicate the location of the side cover and provide a visual representation of the removal procedure.
Removing and installing components 11
Steps
1. Loosen the thumbscrew (6-32) that secures the side cover to the system.
2. Slide the side cover towards the front of the system to disengage the tabs from the slots on the system.
3. Slide and remove the side cover from the system.
Installing the side cover
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 side cover and provide a visual representation of the installation procedure.
12 Removing and installing components
Steps
1. Align the tabs on the side cover with the slots on the chassis.
Removing and installing components 13
2. Slide the side cover towards the back of the system to engage the tabs with the slots on the system.
3. Tighten the thumbscrew (6-32) to secure the side cover to the system.
Next steps
1. Follow the procedure in after working inside your computer.
Speaker
Removing the speaker
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the speaker and provides a visual representation of the removal procedure.
Steps
1. Disconnect the speaker cable from the connector on the system board.
2. Unroute the speaker cable from the routing guides between the speaker and the chassis.
3. Press the release tab to release the speaker from the slot on the system.
4. Lift and remove the speaker from the system.
Installing the speaker
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
14 Removing and installing components
About this task
The following image indicates the location of the speaker and provides a visual representation of the installation procedure.
Steps
1. Align and insert the speaker into the slot on the system.
2. Press the speaker into the slot on the system until the release tab clicks.
3. Route the speaker cable through the routing guides between the speaker and the chassis.
4. Connect the speaker cable to the connector on the system board.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Solid-state drive assembly
Removing the solid-state drive assembly
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the solid-state drive assembly and provides a visual representation of the removal
procedure.
Removing and installing components 15
Steps
1. Loosen the two captive screws that secure the solid-state drive heat sink to the system.
2. Lift and remove the solid-state drive heat-sink from the system.
3. Remove the screw (M2x3.5) that secures the M.2 2230 solid-state drive to the solid-state drive slot on the system board.
4. Slide and remove the M.2 2230 solid-state drive from the M.2 card slot on the system board.
Installing the solid-state drive 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 solid-state drive assembly and provides a visual representation of the
installation procedure.
16 Removing and installing components
Steps
1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card slot on the system board.
2. Slide the M.2 2230 solid-state drive at an angle into the M.2 card slot on the system board.
3. Replace the screw (M2x3.5) to secure the M.2 2230 solid-state drive to the M.2 card slot on the system board.
4. Align the screws of the solid-state drive heat sink with the holders on the system.
5. Place the solid-state drive heat sink on the M.2 2230 solid-state drive.
6. Tighten the two captive screws to secure the solid-state drive heat sink on the system.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Memory
Removing the memory
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the memory and provides a visual representation of the removal procedure.
Removing and installing components 17
Steps
1. Pull the securing clips on each end of the memory-module slot until the memory module pops up.
2. Slide and remove the memory module from the memory-module slot.
CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch
the components on the memory module.
NOTE: Repeat step 1 to step 2 to remove any other memory modules installed in your computer.
NOTE: Note the slot and the orientation of the memory module in order to replace it in the correct slot.
Installing the memory
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 memory and provides a visual representation of the installation procedure.
18 Removing and installing components
Steps
1. Verify if the DIMM thermal pad is warpage. If yes, then press the pad to secure it properly to the system board.
2. Remove the blue film on the DIMM thermal pad.
3. Align the notch on the memory module with the tab on the memory-module slot.
4. Press down on the memory module until the memory module snaps into position and the securing clip locks in place.
NOTE: The securing clips return to the locked position. If you do not hear the click, remove the memory module and
reinstall it.
NOTE: Repeat step 1 to 2 when installing more than one memory module in your computer.
CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch
the components on the memory module.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
WLAN card
Removing the WLAN card
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the WLAN card and provides a visual representation of the removal procedure.
Removing and installing components 19
Steps
1. Remove the (M2x3.5) screw that secures the WLAN-card bracket and the WLAN card on the system board.
2. Slide and remove the WLAN-card bracket from the WLAN card.
3. Disconnect the WLAN antenna cables from the connectors on the WLAN card.
4. Slide and remove the WLAN card from the WLAN-card slot on the system board.
Installing the WLAN 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 WLAN card and provides a visual representation of the installation procedure.
20 Removing and installing components
Steps
1. Connect the WLAN antenna cables to the connectors on the WLAN card.
The following table provides the antenna-cable color scheme for the WLAN card of your computer.
Table 2. Antenna-cable color scheme
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black
2. Align and place the WLAN-card bracket on the WLAN card to secure the antenna cables.
3. Align the notch on the WLAN card with the tab on the WLAN-card slot on the system board.
4. Slide the WLAN card at an angle into the WLAN-card slot on the system board.
5. Replace the (M2x3.5) screw to secure the WLAN-card bracket and the WLAN card on the system board.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Removing and installing components 21
Optional modules
Removing the optional Type-C module
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the optional Type-C module and provides a visual representation of the removal
procedure.
Steps
1. Remove the two (M3x3) screws that secure the Type-C module to the computer chassis.
2. Disconnect the Type-C cable from the connector on the system board.
3. Disconnect the DP cable from the video cable connector on the system board.
4. Lift and remove the Type-C module from the system.
Installing the optional Type-C module
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 optional Type-C module and provides a visual representation of the installation
procedure.
22 Removing and installing components
Steps
1. To remove the dummy metal bracket, insert a flat-head screwdriver in the hole of the bracket, push the bracket to release
the bracket, and then lift the bracket out from the system.
2. Align and place the Type-C module into the optional I/O module slot from the inside of the computer chassis.
3. Connect the Type-C cable to the connector on the system board.
4. Connect the DP cable to the video cable connector on the system board.
5. Replace the two (M3x3) screws to secure the Type-C module to the computer chassis.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Removing the optional HDMI module
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the optional HDMI module and provides a visual representation of the removal
procedure.
NOTE: Optional VGA and DisplayPort modules have similar procedure as optional HDMI module.
Removing and installing components 23
Steps
1. Remove the two (M3X3) screws that secure the optional HDMI module to the computer chassis.
2. Disconnect the HDMI module cable from the connector on the system board.
3. Remove the HDMI module from the system.
Installing the optional HDMI module
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 optional HDMI module and provides a visual representation of the installation
procedure.
NOTE: Optional VGA and DisplayPort modules have similar procedure as optional HDMI module.
24 Removing and installing components
Steps
1. To remove the dummy metal bracket, insert a flat-head screwdriver in the hole of the bracket, push the bracket to release
the bracket, and then lift the bracket out from the system.
2. Connect the HDMI module cable to the connector on the system board.
3. Insert the HDMI module into the optional module slot from the inside of the computer chassis.
4. Replace the two (M3X3) screws to secure the HDMI module to the system.
Next steps
1. Follow the procedure in after working inside your computer.
2. Install the side cover.
Removing the optional Serial module
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the optional Serial module and provides a visual representation of the removal
procedure.
Removing and installing components 25
Steps
1. Remove the two screws that secure the Serial module to the computer chassis.
2. Disconnect the Serial module cable from the connector on the system board.
3. Remove the Serial module from the system.
Installing the optional Serial module
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 optional Serial module and provides a visual representation of the installation
procedure.
26 Removing and installing components
Steps
1. To remove the dummy metal bracket, insert a flat-head screwdriver in the hole of the bracket, push the bracket to release
the bracket, and then lift the bracket out from the system.
2. Insert the Serial module into the optional I/O module slot from the inside of the computer chassis.
3. Connect the Serial module cable to the connector on the system board.
4. Replace the two screws to secure the Serial module to the system.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Removing the optional PS/2 keyboard/mouse module
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
About this task
The following image indicates the location of the optional PS/2 keyboard/mouse module and provides a visual representation of
the removal procedure.
Steps
1. Remove the two (M3X3) screws that secure the PS/2 keyboard/mouse module to the computer chassis.
2. Disconnect the three PS/2 keyboard/mouse module cables from the connectors on the system board.
3. Remove the PS/2 keyboard/mouse module from the system.
Installing the optional PS/2 keyboard/mouse module
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 optional PS/2 keyboard/mouse module and provides a visual representation of
the installation procedure.
Steps
1. To remove the dummy metal bracket, insert a flat-head screwdriver in the hole of the bracket, push the bracket to release
the bracket, and then lift the bracket out from the system.
2. Insert the PS/2 keyboard/mouse module into the optional I/O module slot from the inside of the computer chassis.
3. Connect the three PS/2 keyboard/mouse module cables to the connectors on the system board.
4. Replace the two (M3X3) screws to secure the PS/2 keyboard/mouse module to the system.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Removing and installing components 27
Coin-cell battery
Removing the coin-cell battery
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
NOTE: Removing the coin-cell battery resets the BIOS setup program settings to default. It is recommended that you note
the BIOS setup program settings before removing the coin-cell battery.
About this task
The following image indicates the location of the coin-cell battery and provides a visual representation of the removal procedure.
Steps
1. Using a plastic scribe, gently pry the coin-cell battery out of the coin-cell battery slot on the system board.
2. Lift and remove the coin-cell battery from coin-cell battery slot on the system board.
Installing the coin-cell 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 coin-cell battery and provides a visual representation of the installation
procedure.
28 Removing and installing components
Steps
1. Insert the coin cell battery into the coin-cell battery slot on the system board with the "+" sign facing up.
2. Slide the coin-cell battery under the securing tabs at the positive side of the connector.
3. Press the coin-cell battery into the coin-cell battery slot until it locks into place.
Results
To install the mylar sheet, follow the below mentioned steps:
The coin-cell battery has a black mylar for cosmetic purpose only, not function impact. During the installation of a new system
board, it is recommended to transfer the black mylar from the previous system board to the new system board.
1. Use the folding lines on the mylar sheet to fold the mylar.
2. Insert the mylar under the RTC socket.
3. Using the finger, tap and hold the mylar sheet. Insert it under another side of the RTC socket.
Next steps
1. Install the side cover.
Removing and installing components 29
2. 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.
2. Remove the side cover.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
Steps
1. Loosen the four captive screws that secure the heat sink to the system board.
NOTE: Loosen the four captive screws in descending order (4,3,2,1) as printed on the heat sink.
2. Lift the heat-sink away from the system board.
Installing the heat sink
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
30 Removing and installing components
About this task
The following image indicates the location of the heat sink and provides a visual representation of the installation procedure.
Steps
1. Align the screws on the heat sink with the screw holders on the system board and place the heat sink on the processor.
2. Tighten the four captive screws to secure the heat sink to the system board.
NOTE: Tighten the four captive screws in ascending order (1,2,3,4) as printed on the heat sink.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your computer.
Antenna Assembly
Removing the antenna (Location 1)
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
3. Remove the WLAN card.
About this task
The following image indicates the location of an internal antenna and provides a visual representation of the removal procedure.
Removing and installing components 31
Steps
1. Unroute the black antenna-cable from the routing guides under the EMI shielding and from the cable clip.
2. Remove the screw (M3x3) that secures the internal antenna assembly to the system.
3. Lift and remove the internal antenna assembly from the system.
Installing the antenna (Location 1)
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 an internal antenna and provides a visual representation of the removal procedure.
32 Removing and installing components
Steps
1. Remove the adhesive tape from the internal antenna assembly.
2. Align the hole on the internal antenna assembly with the stand on the system.
3. Replace the screw (M3x3) to secure the internal antenna assembly to the system.
4. Route the black antenna-cable under the EMI shielding and through the cable clip with a tool.
Next steps
1. Install the WLAN card.
2. Install the side cover.
3. Follow the procedure in after working inside your computer.
Removing the antenna (Location 3)
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
3. Remove the WLAN card.
About this task
The following image indicates the location of an internal antenna and provides a visual representation of the removal procedure.
Removing and installing components 33
Steps
1. Remove the screw (M3x3) that secures the internal antenna assembly to the system and lift it away.
2. Unroute the white antenna-cable from cable clip and the routing guides on the system.
3. Push the internal antenna assembly inside from the opening on the back view and lift it away from the system.
Installing the antenna (Location 3)
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 an internal antenna and provides a visual representation of the removal procedure.
34 Removing and installing components
Steps
1. Remove the fillers on the side cover.
2. Loosen the screw on the internal antenna assembly.
3. Route the white antenna-cable through cable clip and the routing guides on the system.
4. Tilt the internal antenna assembly. Align and insert the antenna bracket on the system board.
5. Align the screw hole on the internal antenna assembly with the screw hole on the back view.
6. Insert the internal antenna assembly in the back view opening.
7. Replace the screw (M3x3) to secure the internal antenna assembly to the system.
Next steps
1. Install the WLAN card.
2. Install the side cover.
3. Follow the procedure in after working inside your computer.
SMA Antenna Assembly
Removing the SMA antenna assembly (Location 3)
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the side cover.
3. Remove the WLAN card.
About this task
The following image indicates the location of the SMA antenna assembly and provides a visual representation of the removal
procedure.
NOTE: To upgrade to SMA antenna, the internal antenna (Location 3) is required to be removed.
Removing and installing components 35
Steps
1. Remove the screw (M3x3) that secures the SMA antenna assembly to the system and lift it away.
2. Push the SMA antenna assembly inside from the opening on the back view and lift it away from the system.
Installing the SMA antenna assembly (Location 3)
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 SMA antenna assembly and provides a visual representation of the removal
procedure.
NOTE: To upgrade to SMA antenna, the internal antenna (Location 3) is required to be removed.
36 Removing and installing components
Steps
1. Remove the fillers on the side cover.
2. Route the white antenna-cable through cable clip and the routing guides on the system.
3. Tilt the internal antenna assembly. Align and insert the antenna bracket into the opening on the system board.
4. Rotate the antenna bracket to align the SMA antenna assembly with the screw hole on the back view.
5. Replace the screw (M3x3) to secure the SMA antenna assembly to the system.
Next steps
1. Install the WLAN card.
2. Install the side cover.
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 side cover.
3. Remove the speaker .
4. Remove the solid-state drive assembly.
5. Remove the memory .
6. Remove the WLAN card.
7. Remove the heat sink.
About this task
The following image indicates the connectors on your system board.
Removing and installing components 37
1. Coin-cell battery 2. Optional video connector (HDMI/VGA/DP port)
3. Optional I/O cable connector (USB 3.2 Gen 1 Type-C port
with DisplayPort Alt mode)
4. Memory module slots
5. WLAN card connector 6. M.2 220 solid-state drive connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
38 Removing and installing components
Removing and installing components 39
Steps
1. Remove the screw (M3x5) that secures the speaker holder to the system board.
2. Lift and remove the speaker holder from the system board.
3. Remove the five (M3x5) screws and two (M3x4) screws that secure the system board to the computer chassis.
4. Lift and remove the system board from the computer chassis.
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 connectors on your system board.
40 Removing and installing components
1. Coin-cell battery 2. Optional video connector (HDMI/VGA/DP port)
3. Optional I/O cable connector (USB 3.2 Gen 1 Type-C port
with DisplayPort Alt mode)
4. Memory module slots
5. WLAN card connector 6. M.2 220 solid-state drive connector
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Removing and installing components 41
42 Removing and installing components
Steps
1. Align and lower the system board into the system until the connectors at the back of the system board align with the slots
on the chassis, and the screw holes on the system board align with the standoffs on the system.
2. Replace the five (M3x5) screws and two (M3x4) screws to secure the system board to the computer chassis.
3. Align and place the speaker holder into the speaker holder slot on the system board.
4. Replace the screw (M3x5) to secure the speaker holder to the system board.
Next steps
1. Install the heat sink.
2. Install the WLAN card.
3. Install the memory .
4. Install the solid-state drive assembly.
5. Install the speaker.
6. Install the side cover.
7. Follow the procedure in after working inside your computer.
Removing and installing components 43
BIOS setup
CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program.
Certain changes can make your computer work incorrectly.
NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed.
NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen
information for future reference.
Use the BIOS Setup program for the following purposes:
●Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
●Change the system configuration information.
●Set or change a user-selectable option, such as the user password, type of hard drive installed, and enabling or disabling
base devices.
Entering BIOS setup program
About this task
Turn on (or restart) your computer and press F2 immediately.
Navigation keys
NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart
the system.
Table 3. Navigation keys
Keys Navigation
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
Enter Selects a value in the selected field (if applicable) or follow
the link in the field.
Spacebar Expands or collapses a drop-down list, if applicable.
Tab Moves to the next focus area.
NOTE: For the standard graphics browser only.
Esc Moves to the previous page until you view the main screen.
Pressing Esc in the main screen displays a message that
prompts you to save any unsaved changes and restarts the
system.
One time boot menu
To enter one time boot menu, turn on your computer, and then press F12 immediately.
NOTE: It is recommended to shutdown the computer if it is on.
4
BIOS setup 45
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options
are:
●Removable Drive (if available)
●STXXXX Drive (if available)
NOTE: XXX denotes the SATA drive number.
●Optical Drive (if available)
●SATA Hard Drive (if available)
●Diagnostics
The boot sequence screen also displays the option to access the System Setup screen.
System setup options
NOTE: Depending on your computer and its installed devices, the items that are listed in this section may or may not
appear.
Table 4. System setup options—System information menu
Overview
OptiPlex 3000 Thin Client
BIOS Version Displays the BIOS version number.
Service Tag Displays the Service Tag of the computer.
Asset Tag Displays the Asset Tag of the computer.
Manufacture Date Displays the manufacture date of the computer.
Ownership Date Displays the ownership date of the computer.
Express Service Code Displays the express service code of the computer.
Ownership Tag Displays the Ownership Tag of the computer.
Signed Firmware Update Displays whether the Signed Firmware Update is enabled on your computer.
Processor Information
Processor Type Displays the processor type.
Maximum Clock Speed Displays the maximum processor clock speed.
Minimum Clock Speed Displays the minimum processor clock speed.
Current Clock Speed Displays the current processor clock speed.
Core Count Displays the number of cores on the processor.
Processor ID Displays the processor identification code.
Processor L2 Cache Displays the processor L2 Cache size.
Processor L3 Cache Displays the processor L3 Cache size.
Microcode Version Displays the microcode version.
Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable.
64-Bit Technology Displays whether 64-bit technology is used.
Memory Information
Memory Installed Displays the total computer memory installed.
Memory Available Displays the total computer memory available.
Memory Speed Displays the memory speed.
Memory Channel Mode Displays single or dual channel mode.
Memory Technology Displays the technology that is used for the memory.
46 BIOS setup
Table 4. System setup options—System information menu (continued)
Overview
DIMM 1 Size Displays the DIMM 1 memory size.
DIMM 2 Size Displays the DIMM 2 memory size.
Devices Information
Video Controller Displays the video controller type of the computer.
Video Memory Displays the video memory information of the computer.
Wi-Fi Device Displays the wireless device information of the computer.
Native Resolution Displays the native resolution of the computer.
Video BIOS Version Displays the video BIOS version of the computer.
Audio Controller Displays the audio controller information of the computer.
Bluetooth Device Displays the Bluetooth device information of the computer.
LOM MAC Address Displays the LAN On Motherboard (LOM) MAC address of the computer.
Table 5. System setup options—Boot Configuration menu
Boot Configuration
Boot Sequence
Boot Mode: UEFI only Displays the boot mode.
Boot Sequence Displays the boot sequence.
Secure Boot
Enable Secure Boot Enable or disable the secure boot feature.
By default, the option is not enabled.
Enable Microsoft UEFI CA Enable or disable the Microsoft UEFI CA feature.
By default, the option is enabled.
Secure Boot Mode Enable or disable to change the secure boot mode options.
By default, the Deployed Mode is enabled.
Expert Key Management
Enable Custom Mode Enable or disable custom mode.
By default, the custom mode option is not enabled.
Custom Mode Key Management Select the custom values for expert key management.
Table 6. System setup options—Integrated Devices menu
Integrated Devices
Date/Time Displays the current date in MM/DD/YYYY format and current time in
HH:MM:SS AM/PM format.
Audio
Enable Audio Enable or disable the integrated audio controller.
By default, all the options are enabled.
USB Configuration Enable or disable booting from USB mass storage devices through the boot
sequence or boot menu.
By default, all options are enabled.
Front USB ports Enable or disable the individual front USB ports.
BIOS setup 47
Table 6. System setup options—Integrated Devices menu (continued)
Integrated Devices
By default, all options are enabled.
Rear USB ports Enable or disable the individual rear USB ports.
By default, all options are enabled.
Table 7. System setup options—Storage menu
Storage
SATA/NVMe Operation Enable or disable the operating mode of the integrated SATA hard drive
controller.
By default, AHCI/NVMe option is enabled.
Storage Interface
Port Enablement Enable or disable the onboard drives.
By default, all the options are enabled.
SMART Reporting
Enable SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology
(SMART) during computer startup.
By default, the Enable SMART Reporting option is not enabled.
Drive Information
M.2 PCIe SSD
Type Displays the M.2 PCIe SSD type information of the computer.
Device Displays the M.2 PCIe SSD device information of the computer.
Onboard eMMC
Type Displays the eMMC type information of the computer.
Device Displays the eMMC device information of the computer.
Table 8. System setup options—Display menu
Display
Primary Display
Video Primary Display Determines the primary display when multiple controllers are available on the
computer.
By default, the Auto option is enabled.
Table 9. System setup options—Connection menu
Connection
Network Controller Configuration
Integrated NIC Controls the on-board LAN controller.
By default, the Enabled with PXE option is enabled.
Wireless Device Enable
WLAN Enable or disable the internal WLAN device
By default, the option enabled.
Bluetooth Enable or disable the internal Bluetooth device
By default, the option enabled.
48 BIOS setup
Table 9. System setup options—Connection menu (continued)
Connection
Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on-board LAN
Controller.
By default, the option is enabled.
HTTPs Boot Feature
HTTPs Boot Enable or disable the HTTPs Boot feature.
By default, the HTTPs Boot option is enabled.
HTTPs Boot Mode With Auto Mode, the HTTPs Boot extracts Boot URL from the DHCP. With
Manual Mode, the HTTPs Boot reads Boot URL from the user-provided data.
By default, the Auto Mode option is enabled.
Table 10. System setup options—Power menu
Power
USB Wake Support
Enable USB Wake Support When enabled, you can use the USB devices like a mouse or keyboard to wake
your computer from standby.
By default, the option is enabled.
AC Behavior
AC Recovery Enables the system to turn on automatically, when AC is inserted.
By default, the Power Off option is enabled.
Active State Power Management
Aspm Enables or disables the Active State Power Management (ASPM) level
By default, the Auto option is enabled.
Block Sleep Enables to block entering sleep (S3) mode in the operating system.
By default, the Block Sleep option is disabled.
Deep Sleep Control Enable or disable the Deep Sleep mode support.
By default, the Disabled option is enabled.
Intel Speed Shift Technology Enable or disable the Intel speed shift technology support.
By default, the Intel Speed Shift Technology option is enabled.
Table 11. System setup options—Security menu
Security
Intel Platform Trust Technology
Intel Platform Trust Technology On Enable or disable Intel Platform Trust Technology security options.
By default, the option is enabled.
PPI ByPass for Clear Commands Controls the TPM Physical Presence Interface (PPI).
By default, the PPI ByPass for Clear Commands option is disabled.
Clear Enables to clear the PTT owner information and returns the PTT to the default
state.
By default, the Clear option is disabled.
Chassis intrusion Controls the chassis intrusion feature.
BIOS setup 49
Table 11. System setup options—Security menu (continued)
Security
By default, the option is disabled.
SMM Security Mitigation Enable or disable SMM Security Mitigation.
By default, the option is disabled.
Data Wipe on Next Boot
Start Data Wipe Enable or disable the data wipe on next boot.
By default, the option is disabled.
Absolute Enable or disable or permanently disable the BIOS module interface of the
optional Absolute Persistence Module service from Absolute software.
By default, the Enable Absolute option is enabled.
UEFI Boot Path Security Controls whether or not the computer will prompt the user to enter the admin
password (if set) when booting to a UEFI boot device from the F12 boot menu.
By default, the Always Except Internal HDD option is enabled.
Table 12. System setup options—Passwords menu
Passwords
Admin Password Set, change, or delete the administrator password.
System Password Set, change, or delete the computer password.
M.2 PCIe SSD-0 Set, change, or delete the M.2 PCIe SSD-0 password.
Password Configuration
Upper Case Letter Reinforces password must have at least one upper case letter.
By default, the option is disabled.
Lower Case Letter Reinforces password must have at least one lower case letter.
By default, the option is disabled.
Digit Reinforces password must have at least one digit.
By default, the option is disabled.
Special Character Reinforces password must have at least one special character.
By default, the option is disabled.
Minimum Characters Set the minimum characters allowed for password.
Password Bypass When enabled, this always prompts for computer and internal hard drive
passwords when powered on from the Off state.
By default, the Disabled option is enabled.
Password Changes
Enable Non-Admin Password Changes Enable or disable to change computer and hard drive password without the
need for admin password.
By default, the option is enabled.
Admin Setup Lockout
Enable Admin Setup Lockout Enables administrators control over how their users can or cannot access BIOS
setup.
By default, the option is disabled.
Master Password Lockout
50 BIOS setup
Table 12. System setup options—Passwords menu (continued)
Passwords
Enable Master Password Lockout When enabled, this will disable the master password support.
By default, the option is disabled.
Allow Non-Admin PSID Revert
Enable Allow Non-Admin PSID Revert Controls access to the Physical Security ID (PSID) revert of NVMe hard-drives
from the Dell Security Manager prompt.
By default, the option is disabled.
Table 13. System setup options—Update, Recovery menu
Update, Recovery
UEFI Capsule Firmware Updates Enable or disable BIOS updates through UEFI capsule update packages.
By default, the option is enabled.
BIOS Recovery from Hard Drive Enables the user to recover from certain corrupted BIOS conditions from a
recovery file on the user primary hard drive or an external USB key.
By default, the option is enabled.
BIOS Downgrade
Allow BIOS Downgrade Enable or disable the flashing of the computer firmware to previous revision is
blocked.
By default, the option is enabled.
SupportAssist OS Recovery Enable or disable the boot flow for SupportAssist OS Recovery tool in the
event of certain computer errors.
By default, the option is enabled.
Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console
and for Dell OS Recovery Tool.
By default, the threshold value is set to 2.
Table 14. System setup options—System Management menu
System Management
Service Tag Displays the Service Tag of the computer.
Asset Tag Create a computer Asset Tag.
Wake on LAN/WLAN Enable or disable the computer to power on by special LAN signals when it
receives a wake up signal from the WLAN.
By default, the Disabled option is selected.
Auto On Time Enable to set the computer to turn on automatically every day or on a
preselected date and time. This option can be configured only if the Auto On
Time is set to Everyday, Weekdays, or Selected Days.
By default, the option is disabled.
SERR Messages Enable or disable SERR messages.
By default, the option is enabled.
First Power On Date Set Ownership Date.
By default, the option is disabled.
Diagnostics
BIOS setup 51
Table 14. System setup options—System Management menu (continued)
System Management
OS Agent Requests When enabled, Dell OS Agent(s) will be capable of scheduling onboard
diagnostics on a subsequent boot which can help assist in the prevention and
resolution of hardware related issues.
By default, the option is enabled.
Power-on-Self-Test Automatic Recovery When enabled, if the computer should become unresponsive before completing
the BIOS Power-On-Self-Test (POST), the BIOS will attempt to automatically
recover the computer in some cases, this may include reverting BIOS Setup
configuration settings to BIOS default values, and unprovisioning Intel AMT
vPro (if applicable).
By default, the option is enabled.
Table 15. System setup options—Keyboard menu
Keyboard
Keyboard Errors
Enable Keyboard Error Detection Enable or disable the keyboard error detection.
By default, the option is enabled.
Numlock LED
Enable Numlock LED Enable or disable Numlock LED.
By default, the option is enabled.
Table 16. System setup options—Pre-boot Behavior menu
Pre-boot Behavior
Adapter Warnings
Enable Adapter Warnings Enable or disable adapter warnings when adapters with too little power
capacity are detected.
By default, the option is enabled.
Warning and Errors Enable or disable the action to be done when a warning or error is encountered.
By default, the Prompt on Warnings and Errors option is enabled.
Fastboot Enable to set the speed of the UEFI boot process.
By default, the Minimal option is enabled.
Extend BIOS POST Time Set the BIOS POST time.
By default, the 0 seconds option is enabled.
Table 17. System setup options—Virtualization Support menu
Virtualization Support
Intel Virtualization Technology
Enable Intel Virtualization Technology
(VT)
Specify whether a Virtual Machine Monitor (VMM) can utilize the additional
hardware capabilities that are provided by Intel Virtualization Technology.
By default, the option is enabled.
VT for Direct I/O Specify whether a Virtual Machine Monitor (VMM) can utilize the additional
hardware capabilities that are provided by Intel Virtualization Technology for
Direct I/O.
By default, the option is enabled.
52 BIOS setup
Table 17. System setup options—Virtualization Support menu (continued)
Virtualization Support
DMA Protection
Enable Pre-Boot DMA Support Control Pre-Boot DMA protection for both internal and external ports.
By default, the option is enabled.
Enable OS Kernel DMA Support Controls Kernel DNA protection for both internal and external ports.
By default, the option is enabled.
Table 18. System setup options—Performance menu
Performance
Multi Core Support
Active Cores Enables to change the number of CPU cores available to the operating system.
By default, the All Cores option is enabled.
Intel SpeedStep
Enable Intel SpeedStep Technology Enables the computer to dynamically adjust processor voltage and core
frequency, decreasing average power consumption and heat production.
By default, the option is enabled.
C-States Control
Enable C-State Control Enable or disable the CPU's ability to enter and exit low power states.
By default, the option is enabled.
Intel Turbo Boost Technology
Enable Intel Turbo Boost Technology Enable or disable Intel TurboBoost mode of the processor.
By default, the option is enabled.
Table 19. System setup options—System Logs menu
System Logs
BIOS Event Log
Clear BIOS Event Log Displays BIOS events.
By default, the Keep Log option is enabled.
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.
BIOS setup 53
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.
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 in Linux and Ubuntu
To update the system BIOS on a computer that is installed with Linux or Ubuntu, see the knowledge base article 000131486 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
54 BIOS setup
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)
●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 20. 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.
BIOS setup 55
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.
●At least one special character: ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | }
●Numbers 0 through 9.
●Upper case letters from A to Z.
●Lower case letters from a to z.
3. Type the system password that you entered earlier in the Confirm new password field and click OK.
4. Press Esc and save the changes as prompted by the pop-up message.
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 CMOS settings
About this task
CAUTION: Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
1. Remove the side cover.
2. Remove the coin-cell battery.
3. Wait for one minute.
56 BIOS setup
4. Replace the coin-cell battery.
5. Replace the side cover.
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.
BIOS setup 57
Troubleshooting
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.
Power-Supply Unit Built-in Self-Test
Built-in Self-Test (BIST) helps determine if the power-supply unit is working. To run self-test diagnostics on the power-supply
unit of a desktop or all-in-one computer, see the knowledge base article 000125179 at www.dell.com/support.
5
58 Troubleshooting
System-diagnostic lights
This section lists the system-diagnostic lights of your OptiPlex 3000 Thin Client.
Table 21. System-diagnostic lights
Blinking pattern
Problem description Suggested resolutionAmber White
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
and holding down power
button for 3~5 seconds.
2 1 CPU failure ●Run the Dell Support
Assist/Dell Diagnostics
tool.
●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 among the slots.
●If problem persists,
replace the memory
module.
2 5 Invalid memory installed ●Reset and swap memory
modules among 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 main battery
connection.
●If problem persists,
replace the main battery.
3 2 PCI or Video card/chip failure Replace the system board.
Troubleshooting 59
Table 21. System-diagnostic lights (continued)
Blinking pattern
Problem description Suggested resolutionAmber White
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.
●Press power button for
over 25 seconds to do
RTC reset. If problem
persists, replace the
system board.
●Disconnect all power
source (AC, battery, coin
cell) and drain flea power
by pressing and holding
down power button 3~5
seconds to ensure all
power are drained.
●Run "BIOS recovery from
USB", and the instructions
are in the website Dell
support.
●If problem persists,
replace the system board.
3 7 Timeout waiting on ME to
reply to HECI message. Replace the system board.
NOTE: Blinking 3-3-3 LEDs on Lock LED (Caps-Lock or Nums-Lock), Power button LED (without Fingerprint reader), and
Diagnostic LED indicates failure to provide input during LCD panel test on Dell SupportAssist Pre-boot System Performance
Check diagnostics.
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.
Real Time Clock—RTC reset
The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell
Latitude and Precision systems from No POST/No Boot/No Power situations. You can initiate the RTC reset on the system
60 Troubleshooting
from a power-off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTC
reset occurs after you release the power button.
NOTE: If AC power is disconnected from the system during the process or the power button is held longer than 40
seconds, the RTC reset process gets aborted.
The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following items
are unaffected by the RTC reset:
●Service Tag
●Asset Tag
●Ownership Tag
●Admin Password
●System Password
●HDD Password
●Key Databases
●System Logs
NOTE: The IT administrator's vPro account and password on the system will be un-provisioned. The system needs to go
through the setup and configuration process again to reconnect it to the vPro server.
The below items may or may not reset based on your custom BIOS setting selections:
●Boot List
●Enable Legacy Option ROMs
●Secure Boot Enable
●Allow BIOS Downgrade
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.
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.
Troubleshooting 61
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 22. Self-help resources
Self-help resources Resource location
Information about Dell products and services www.dell.com
My Dell app
Tips
Contact Support In Windows search, type Contact Support, and press
Enter.
Online help for operating system www.dell.com/support/linux
Access top solutions, diagnostics, drivers and downloads, and
learn more about your computer through videos, manuals and
documents.
Your Dell computer is uniquely identified by a Service Tag or
Express Service Code. To view relevant support resources for
your Dell computer, enter the Service Tag or Express Service
Code at www.dell.com/support.
For more information on how to find the Service Tag for your
computer, see Locate the Service Tag on your computer.
Dell knowledge base articles for a variety of computer
concerns 1. Go to www.dell.com/support.
2. On the menu bar at the top of the Support page, select
Support > Knowledge Base.
3. In the Search field on the Knowledge Base page, type the
keyword, topic, or model number, and then click or tap the
search icon to view 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/region and product, and some services may not be available in your country/region.
NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice,
packing slip, bill, or Dell product catalog.
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62 Getting help and contacting Dell