Table of Contents
- Before You Begin
- After Working Inside Your Computer
- Technical Overview
- Removing the Computer Cover
- Replacing the Computer Cover
- Removing the Memory Module(s)
- Replacing the Memory Module(s)
- Removing the Graphics Card
- Replacing the Graphics Card
- Removing the Front Bezel
- Replacing the Front Bezel
- Removing the Wireless Mini-Card
- Replacing the Wireless Mini-Card
- Removing the Primary Hard-Drive
- Replacing the Primary Hard-Drive
- Removing the Secondary Hard-Drive
- Replacing the Secondary Hard-Drive
- Removing the Optical Drive
- Replacing the Optical Drive
- Removing the Front I/O Panel
- Replacing the Front I/O Panel
- Removing the Power-Button Module
- Replacing the Power-Button Module
- Removing the Chassis Fan
- Replacing the Chassis Fan
- Removing the Processor Fan and Heat Sink Assembly
- Replacing the Processor Fan and Heat Sink Assembly
- Removing the Processor
- Replacing the Processor
- Removing the Coin-Cell Battery
- Replacing the Coin-Cell Battery
- Removing the Power-Supply Unit
- Replacing the Power-Supply Unit
- Removing the System Board
- Replacing the System Board
- Flashing the BIOS
DELL 3847 User Manual
Displayed below is the user manual for 3847 by DELL which is a product in the PCs/Workstations category. This manual has pages.
Related Manuals
Inspiron 3847
Owner’s Manual
Computer model: Inspiron 3847
Regulatory model: D16M
Regulatory type: D16M001
book.book Page 1 Tuesday, November 12, 2013 1:54 PM
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better
use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of
data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage,
personal injury, or death.
____________________
© 2013 Dell Inc.
Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.
2013 - 11 Rev. A00
book.book Page 2 Tuesday, November 12, 2013 1:54 PM
Contents | 3
Contents
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . 8
After Working Inside Your Computer . . . . . . . . . . . 9
Technical Overview . . . . . . . . . . . . . . . . . . . . . . . . 10
Inside View of Your Computer. . . . . . . . . . . . . . . . . 10
System-Board Components . . . . . . . . . . . . . . . . . . 11
Removing the Computer Cover . . . . . . . . . . . . . . 12
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Replacing the Computer Cover . . . . . . . . . . . . . . 13
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Removing the Memory Module(s). . . . . . . . . . . . . 14
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Replacing the Memory Module(s). . . . . . . . . . . . . 15
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Removing the Graphics Card . . . . . . . . . . . . . . . . 16
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Replacing the Graphics Card . . . . . . . . . . . . . . . . 18
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Removing the Front Bezel . . . . . . . . . . . . . . . . . . . 19
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
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4 | Contents
Replacing the Front Bezel . . . . . . . . . . . . . . . . . . . 20
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Removing the Wireless Mini-Card . . . . . . . . . . . . 21
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Replacing the Wireless Mini-Card . . . . . . . . . . . . 22
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Removing the Primary Hard-Drive . . . . . . . . . . . . 23
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Replacing the Primary Hard-Drive . . . . . . . . . . . . 25
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Removing the Secondary Hard-Drive. . . . . . . . . . 26
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Replacing the Secondary Hard-Drive. . . . . . . . . . 28
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Removing the Optical Drive . . . . . . . . . . . . . . . . . 29
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Replacing the Optical Drive . . . . . . . . . . . . . . . . . 31
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Removing the Front I/O Panel . . . . . . . . . . . . . . . 34
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
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Contents | 5
Replacing the Front I/O Panel. . . . . . . . . . . . . . . . 36
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Removing the Power-Button Module . . . . . . . . . 37
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Replacing the Power-Button Module. . . . . . . . . . 39
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Removing the Chassis Fan. . . . . . . . . . . . . . . . . . 40
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Replacing the Chassis Fan . . . . . . . . . . . . . . . . . . . 41
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Removing the Processor Fan and
Heat Sink Assembly . . . . . . . . . . . . . . . . . . . . . . . . 42
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Replacing the Processor Fan and
Heat Sink Assembly . . . . . . . . . . . . . . . . . . . . . . . 44
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Removing the Processor . . . . . . . . . . . . . . . . . . . . 45
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Replacing the Processor . . . . . . . . . . . . . . . . . . . . 46
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Removing the Coin-Cell Battery. . . . . . . . . . . . . . 48
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
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6 | Contents
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Replacing the Coin-Cell Battery . . . . . . . . . . . . . . 49
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Removing the Power-Supply Unit . . . . . . . . . . . . 50
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Replacing the Power-Supply Unit. . . . . . . . . . . . . 51
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Removing the System Board . . . . . . . . . . . . . . . . . 52
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Replacing the System Board . . . . . . . . . . . . . . . . . 54
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Postrequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Entering the Service Tag in the BIOS. . . . . . . . . . . . . 54
Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . 55
book.book Page 6 Tuesday, November 12, 2013 1:54 PM
Before You Begin | 7
Before You Begin
CAUTION: To avoid losing data, save and close all open files and exit all
open programs before you turn off your computer.
1Save and close all open files and exit all open programs.
2Move your mouse pointer to the upper-right or lower-right corner of the screen to
open the Charms sidebar, and then click Settings→ Power→ Shut down.
NOTE: If you are using a different operating system, see the documentation
of your operating system for shut-down instructions.
3Disconnect your computer and all attached devices from their electrical outlets.
4Disconnect all telephone cables, network cables, and attached devices
from your computer.
5After the computer is unplugged, press and hold the power button for 5 seconds to
ground the system board.
Safety Instructions
Use the following safety guidelines to protect your computer from potential damage and
ensure your personal safety.
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For more safety best practices, see the
Regulatory Compliance home page at dell.com/regulatory_compliance.
WARNING: Disconnect 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 to the power source.
CAUTION: To avoid damaging the computer, make sure that the work surface is
flat and clean.
CAUTION: To avoid damaging the components and cards, handle them by their
edges and avoid touching pins and contacts.
CAUTION: Only a certified service technician is authorized to remove the
computer cover and access any of the components inside the computer. See the
safety instructions for complete information about safety precautions, working
inside your computer, and protecting against electrostatic discharge.
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.
book.book Page 7 Tuesday, November 12, 2013 1:54 PM
8 | Before You Begin
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab,
not on the cable itself. Some cables have connectors with locking tabs or
thumb-screws that you must disengage before disconnecting the cable.
When disconnecting cables, keep them evenly aligned to avoid bending any
connector pins. When connecting cables, make sure that the connectors and
ports are correctly oriented and aligned.
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
CAUTION: Press and eject any installed card from the media-card reader.
Recommended Tools
The procedures in this document may require the following tools:
•Phillips screwdriver
•Plastic scribe
book.book Page 8 Tuesday, November 12, 2013 1:54 PM
After Working Inside Your Computer | 9
After Working Inside Your Computer
CAUTION: Leaving stray or loose screws inside your computer may severely
damage your computer.
1Replace all screws and make sure that no stray screws remain
inside your computer.
2Place the computer in an upright position.
3Connect any external devices, cables, cards, and any other part(s) you removed
before working on your computer.
4Connect your computer and all attached devices to their electrical outlets.
book.book Page 9 Tuesday, November 12, 2013 1:54 PM
10 | Technical Overview
Technical Overview
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Inside View of Your Computer
1power supply 2optical drive
3front bezel 4primary hard-drive
5card retention bracket
1
2
3
5
4
book.book Page 10 Tuesday, November 12, 2013 1:54 PM
Technical Overview | 11
System-Board Components
1power connector (ATX12V) 2processor socket
3processor fan connector (FNCPU1) 4memory module connector
(DIMM1)
5memory module connector
(DIMM2)
6front panel USB connector (USBF1)
7main power connector (ATX1) 8CMOS reset jumper (CMCLR1)
9password reset jumper (PWCLR1) 10 front panel USB connector (USBF3)
11 SATA connector (SATA 3) 12 SATA connector (SATA 2)
13 power button connector (LED H1) 14 SATA connector (SATA 1)
15 SATA connector (SATA 0) 16 battery socket (BT1)
17 front panel audio connector (AUDF1) 18 PCI Express x1 card slot (SLOT3)
19 PCI Express x16 card slot (SLOT2) 20 PCI Express x1 card slot (SLOT1)
21 Mini-Card slot (MINI1) 22 chassis fan connector (FANSYS2)
12457
10
13
14
15
16
18
19
20
21
12
17
3
8
9
11
6
22
book.book Page 11 Tuesday, November 12, 2013 1:54 PM
12 | Removing the Computer Cover
Removing the Computer Cover
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1Place the computer on its side with the computer cover facing up.
2Using a screwdriver, remove the screws that secure the computer cover
to the chassis.
3Release the computer cover by sliding it away from the front of the computer.
4Lift the cover away from the computer and set it aside.
1screw 2computer cover
1
2
book.book Page 12 Tuesday, November 12, 2013 1:54 PM
Replacing the Computer Cover | 13
Replacing the Computer Cover
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1Connect all the cables and fold the cables out of the way.
2Ensure that no tools or extra parts are left inside the computer.
3Align the tabs at the bottom of the computer cover with the slots located along the
edge of the chassis.
4Press the computer cover down and slide it towards the front of the computer.
5Replace the screws that secure the computer cover to the chassis.
6Place the computer in an upright position.
Postrequisites
Follow the instructions in "After Working Inside Your Computer" on page 9.
book.book Page 13 Tuesday, November 12, 2013 1:54 PM
14 | Removing the Memory Module(s)
Removing the Memory Module(s)
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Locate the memory-module connector on the system board. See "System-Board
Components" on page 11.
2Press out the securing clip at each end of the memory-module connector.
NOTE: If the memory module is difficult to remove, gently ease the memory
module back and forth to remove it from the connector.
3Grasp the memory module and pull it upward.
1securing clips (2) 2memory module
3memory-module connector
2
3
1
book.book Page 14 Tuesday, November 12, 2013 1:54 PM
Replacing the Memory Module(s) | 15
Replacing the Memory Module(s)
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
1Press out the securing clip at each end of the memory-module connector.
2Align the notch on the memory module with the tab on the memory-module
connector.
3Insert the memory module into the memory-module connector, and press the
memory module down until it snaps into position and the securing clips lock in place.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
1cutouts (2) 2tab
3notch 4memory module
23
1
4
book.book Page 15 Tuesday, November 12, 2013 1:54 PM
16 | Removing the Graphics Card
Removing the Graphics Card
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Push the release tab to release the card retention bracket from the chassis.
2Push the securing tab down to release the graphics card.
3Grasp the card by its top corners, and then ease it out of the connector.
1card retention bracket 2release tab
1
2
book.book Page 16 Tuesday, November 12, 2013 1:54 PM
Removing the Graphics Card | 17
1securing tab 2graphics card
1
2
book.book Page 17 Tuesday, November 12, 2013 1:54 PM
18 | Replacing the Graphics Card
Replacing the Graphics Card
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
1Locate the PCI-Express x16 card slot. See "System-Board Components" on page 11.
2Align the graphics card with the PCI-Express x16 card slot on the system board.
3Place the card in the slot and press down firmly. Ensure that the card is firmly
seated in the slot.
4Rotate the card retention bracket towards the computer until it snaps into place.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 18 Tuesday, November 12, 2013 1:54 PM
Removing the Front Bezel | 19
Removing the Front Bezel
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Place the computer in an upright position.
2Grasp and release the front bezel tabs sequentially from the top, one at a time by
moving them away from the front panel.
3Rotate and pull the front bezel away from the front of the computer to release the
front bezel clamps from the front panel slots.
1front bezel tabs (4) 2front bezel clamps (4)
3front panel 4front bezel
1
2
3
4
book.book Page 19 Tuesday, November 12, 2013 1:54 PM
20 | Replacing the Front Bezel
Replacing the Front Bezel
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
1Align and insert the front bezel clamps into the front panel slots.
2Rotate the front bezel towards the computer until the front bezel tabs snap into
place.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 20 Tuesday, November 12, 2013 1:54 PM
Removing the Wireless Mini-Card | 21
Removing the Wireless Mini-Card
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Locate the mini-card slot (MINI1) on the system board. See "System-Board
Components" on page 11.
2Disconnect the antenna cables from the wireless mini-card.
3Remove the screw that secures the wireless mini-card to the system board.
4Slide and remove the wireless mini-card from the mini-card connector.
1screw 2antenna cables (2)
3wireless mini-card 4mini-card slot (MINI1)
2
1
3
4
book.book Page 21 Tuesday, November 12, 2013 1:54 PM
22 | Replacing the Wireless Mini-Card
Replacing the Wireless Mini-Card
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
CAUTION: To avoid damage to the wireless mini-card, do not place any cables
under it.
1Align the notch on the wireless mini-card with the tab on the mini-card connector.
2Slide the wireless mini-card at an angle into the system-board connector.
3Press the other end of the wireless mini-card down and replace the screw that
secures the wireless mini-card to the system board.
4Connect the antenna cables to the wireless mini-card.
The following table provides the antenna-cable color scheme for the wireless
mini-card supported by your computer.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
Connectors on the wireless card Antenna-cable color
Main (white triangle)
Auxiliary (black triangle)
White
Black
book.book Page 22 Tuesday, November 12, 2013 1:54 PM
Removing the Primary Hard-Drive | 23
Removing the Primary Hard-Drive
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: To avoid data loss, do not remove the hard drive while the computer is
On or in Sleep state.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Disconnect the power and data cables from the primary hard-drive.
2Remove the screws that secure the primary hard-drive assembly to the chassis.
3Slide the primary hard-drive assembly out of the computer.
1power cable 2data cable
3primary hard-drive assembly 4screws (2)
1
4
2
3
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24 | Removing the Primary Hard-Drive
4Remove the screws that secure the hard-drive brackets to the primary hard-drive.
5Lift the primary hard-drive off the hard-drive brackets.
1screws (2) 2hard-drive brackets (2)
3primary hard-drive
23
1
book.book Page 24 Tuesday, November 12, 2013 1:54 PM
Replacing the Primary Hard-Drive | 25
Replacing the Primary Hard-Drive
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Procedure
1Align the screw holes on the primary hard-drive with the screw holes on the
hard-drive brackets.
2Replace the screws that secure the hard-drive brackets to the primary hard-drive.
3Slide the primary hard-drive assembly into the computer.
4Replace the screws that secure the primary hard-drive assembly to the chassis.
5Connect the power and data cables to the primary hard-drive assembly.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 25 Tuesday, November 12, 2013 1:54 PM
26 | Removing the Secondary Hard-Drive
Removing the Secondary Hard-Drive
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: To avoid data loss, do not remove the hard drive while the computer is
On or in Sleep state.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Disconnect the power and data cables from the secondary hard-drive assembly.
2Remove the screws that secure the secondary hard-drive assembly to the chassis.
book.book Page 26 Tuesday, November 12, 2013 1:54 PM
Removing the Secondary Hard-Drive | 27
3Slide the secondary hard-drive assembly out of the computer.
4Remove the screws that secure the hard-drive brackets to the secondary hard-
drive.
5Lift the secondary hard-drive off the hard-drive brackets.
1power cable 2data cable
3secondary hard-drive assembly 4screw
1screws (2) 2hard-drive brackets (2)
3secondary hard-drive
1
4
2
3
23
1
book.book Page 27 Tuesday, November 12, 2013 1:54 PM
28 | Replacing the Secondary Hard-Drive
Replacing the Secondary Hard-Drive
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Procedure
1Align the screw holes on the secondary hard-drive with the screw holes on the
hard-drive brackets.
2Replace the screws that secure the hard-drive brackets to the secondary
hard-drive.
3Slide the secondary hard-drive assembly into the computer.
4Replace the screws that secure the secondary hard-drive assembly to the chassis.
5Connect the power and data cables to the secondary hard-drive assembly.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 28 Tuesday, November 12, 2013 1:54 PM
Removing the Optical Drive | 29
Removing the Optical Drive
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Prerequisites
1Remove the computer cover. See "Removing the Computer Cover" on page 12.
2Remove the front bezel. See "Removing the Front Bezel" on page 19.
Procedure
1Disconnect the power and data cables from the optical drive.
2Remove the screws that secure the optical drive to the chassis.
book.book Page 29 Tuesday, November 12, 2013 1:54 PM
30 | Removing the Optical Drive
3Push and slide the optical drive out through the front of the computer.
NOTE: Repeat steps 1 to 3 to remove secondary optical-drive, if applicable.
4Set aside the optical drive.
1optical drive 2screws (2)
3power cable 4data cable
3
4
2
1
book.book Page 30 Tuesday, November 12, 2013 1:54 PM
Replacing the Optical Drive | 31
Replacing the Optical Drive
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1Gently slide the optical drive into the optical-drive bay through the front of the
computer.
2Align the screw holes on the optical drive with the screw holes on the chassis.
3Replace the screws that secure the optical drive to the chassis.
4Connect the power and data cables to the optical drive.
NOTE: Repeat steps 1 to 4 to replace secondary optical-drive, if applicable.
Postrequisites
1Replace the front bezel. See "Replacing the Front Bezel" on page 20.
2Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 31 Tuesday, November 12, 2013 1:54 PM
32 | Replacing the Optical Drive
Installing a Secondary Optical Drive (optional)
1To install a secondary optical-drive, pull the break-away metal plate off the chassis.
1metal plate
1
book.book Page 32 Tuesday, November 12, 2013 1:54 PM
Replacing the Optical Drive | 33
2Gently slide the secondary optical-drive into the optical drive bay through the front
of the computer.
3Align the screw holes on the secondary optical-drive with the screw holes on the
chassis.
4Replace the screws that secure the secondary optical-drive to the chassis.
5Connect the power and data cables to the secondary optical drive.
1secondary optical drive 2screws (2)
3data cable 4power cable
1
3
4
2
book.book Page 33 Tuesday, November 12, 2013 1:54 PM
34 | Removing the Front I/O Panel
Removing the Front I/O Panel
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Prerequisites
1Remove the computer cover. See "Removing the Computer Cover" on page 12.
2Remove the front bezel. See "Removing the Front Bezel" on page 19.
Procedure
CAUTION: When sliding the front I/O panel out of the computer, be extremely
careful. Carelessness may result in damage to the cable connectors and the cable
routing clips.
NOTE: Note the routing of all cables as you remove them so that you can re-route
them correctly after you replace the front I/O panel.
1Disconnect the front I/O panel cables from the system board connectors (AUDF1,
USBF1, and USBF3). See "System-Board Components" on page 11.
2Remove the screw that secures the front I/O panel to the front panel.
book.book Page 34 Tuesday, November 12, 2013 1:54 PM
Removing the Front I/O Panel | 35
3Slide the front I/O panel towards the side as shown in the illustration to release the
clamps from the front panel and pull it away.
1front I/O panel 2screw
3I/O panel cables (3)
31
2
book.book Page 35 Tuesday, November 12, 2013 1:54 PM
36 | Replacing the Front I/O Panel
Replacing the Front I/O Panel
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1Align and slide the front I/O panel clamps into the front I/O panel clamp slot.
2Replace the screw that secures the front I/O panel to the front panel.
3Connect the front I/O panel cables to the system board connectors (AUDF1, USBF1,
and USBF3). See "System-Board Components" on page 11.
Postrequisites
1Replace the front bezel. See "Replacing the Front Bezel" on page 20.
2Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 36 Tuesday, November 12, 2013 1:54 PM
Removing the Power-Button Module | 37
Removing the Power-Button Module
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
1Remove the computer cover. See "Removing the Computer Cover" on page 12.
2Remove the front bezel. See "Removing the Front Bezel" on page 19.
Procedure
NOTE: Note the routing of the cable as you remove it so that you can re-route it
correctly after you replace the power-button module.
1Disconnect the power-button module cable from the system-board connector
(LEDH1). See "System-Board Components" on page 11.
book.book Page 37 Tuesday, November 12, 2013 1:54 PM
38 | Removing the Power-Button Module
2Press the tabs on the power-button module and pull the power-button module to
release it from the front panel.
3Set aside the power-button module.
1tabs 2power-button module
3power-button cable
3
1
2
book.book Page 38 Tuesday, November 12, 2013 1:54 PM
Replacing the Power-Button Module | 39
Replacing the Power-Button Module
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
1Align and push the power-button module tabs into the slots on the front panel.
2Connect the power-button module cable to the system board connector (LEDH1).
See "System-Board Components" on page 11.
3Route the power-button module cable through its routing guide.
Postrequisites
1Replace the front bezel. See "Replacing the Front Bezel" on page 20.
2Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 39 Tuesday, November 12, 2013 1:54 PM
40 | Removing the Chassis Fan
Removing the Chassis Fan
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Disconnect the chassis-fan cable from the system board connector (FANSYS2). See
"System-Board Components" on page 11.
2Remove the screws that secure the chassis fan to the chassis.
3Slide and lift the chassis fan away from the computer as shown in the illustration.
1screws (4) 2chassis fan
3chassis-fan cable
2
3
1
book.book Page 40 Tuesday, November 12, 2013 1:54 PM
Replacing the Chassis Fan | 41
Replacing the Chassis Fan
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
1Align the screw holes on the chassis fan with the screw holes on the chassis.
2Replace the screws that secure the chassis fan to the chassis.
3Connect the chassis-fan cable to the system board connector (FANSYS2). See
"System-Board Components" on page 11.
Postrequisites
1Replace the front bezel. See "Replacing the Front Bezel" on page 20.
2Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 41 Tuesday, November 12, 2013 1:54 PM
42 | Removing the Processor Fan and Heat Sink Assembly
Removing the Processor Fan and
Heat Sink Assembly
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
WARNING: The heat sink may become hot during normal operation.
Allow sufficient time for the heat sink to cool before you touch it.
CAUTION: To ensure maximum cooling for the processor, do not touch the heat
transfer areas on the heat sink. The oils in your skin can reduce the heat transfer
capability of the thermal grease.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
book.book Page 42 Tuesday, November 12, 2013 1:54 PM
Removing the Processor Fan and Heat Sink Assembly | 43
Procedure
1Disconnect the processor-fan cable from the system board connector (FNCPU1).
See "System-Board Components" on page 11.
2Using a phillips screwdriver loosen the captive screws that secure the processor fan
and heat-sink assembly to the system board.
3Lift the processor fan and heat-sink assembly out of the computer.
1processor fan and heat-sink assembly 2captive screws (4)
3processor-fan cable
3
2
1
book.book Page 43 Tuesday, November 12, 2013 1:54 PM
44 | Replacing the Processor Fan and Heat Sink Assembly
Replacing the Processor Fan and
Heat Sink Assembly
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can cause damage to the system
board and processor.
Procedure
NOTE: The original thermal grease can be reused if the original processor and heat
sink are reinstalled together.
CAUTION: If either the processor or the heat sink is replaced, use the thermal
grease provided in the kit to make sure that thermal conductivity is achieved.
1Place the processor fan and heat-sink assembly over the processor.
2Connect the processor-fan cable to the system board connector (FNCPU1).
See "System-Board Components" on page 11.
3Align the captive screws on the processor fan heat-sink assembly with the screw
holes on the system board.
4Tighten the captive screws that secure the processor fan and heat-sink assembly to
the system board.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 16.
book.book Page 44 Tuesday, November 12, 2013 1:54 PM
Removing the Processor | 45
Removing the Processor
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: Processors are fragile. Handle the processor only by the edges and do
not touch the metal pins.
Prerequisites
1Remove the computer cover. See "Removing the Computer Cover" on page 12.
2Remove the processor fan and heat sink. See "Removing the Processor Fan and
Heat Sink Assembly" on page 42.
Procedure
1Press the release-lever down and then pull it outwards to release it from the
securing tab.
2Extend the release-lever completely to open the processor cover.
3Gently lift the processor and remove it from the processor socket.
1release lever 2securing tab
3processor cover 4socket
5processor
14
3
2
5
book.book Page 45 Tuesday, November 12, 2013 1:54 PM
46 | Replacing the Processor
Replacing the Processor
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure
NOTE: A new processor ships with a thermal pad in the package. In some cases, the
processor may ship with the thermal pad attached to it.
1Ensure that the release lever on the processor socket is fully extended in the open
position.
2Align the pin-1 corner on the processor with the pin-1 corner on the processor
socket, and then place the processor in the processor socket.
NOTE: The pin-1 corner of the processor has a triangle that aligns with the
triangle on the pin-1 corner on the processor socket. When the processor is
properly seated, all four corners are aligned at the same height. If one or more
corners of the processor are higher than the others, the processor is not
seated properly.
3When the processor is fully seated in the socket, close the processor cover.
4Pivot the release-lever down and place it under the tab on the processor cover.
1processor pin-1 indicator 2processor
3alignment tabs (2) 4alignment post
5processor-cover notch 6processor cover
7release lever
1
2
345
67
book.book Page 46 Tuesday, November 12, 2013 1:54 PM
48 | Removing the Coin-Cell Battery
Removing the Coin-Cell Battery
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
CAUTION: Removing the coin-cell battery resets the BIOS settings to default.
It is recommended that you note the BIOS settings before removing the
coin-cell battery.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Locate the battery socket (BT1). See "System-Board Components" on page 11.
2Press the battery-release lever away from the coin-cell battery until the coin-cell
battery pops up.
3Lift the coin-cell battery out of its socket.
1coin-cell battery 2securing clip
12
book.book Page 48 Tuesday, November 12, 2013 1:54 PM
Replacing the Coin-Cell Battery | 49
Replacing the Coin-Cell Battery
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
WARNING: The battery may explode if installed incorrectly. Replace the battery
only with the same or equivalent type. Discard used batteries according to the
manufacturer’s instructions.
Procedure
Insert a new coin-cell battery (CR2032) into the battery socket with the positive side
facing up, and press the battery into place.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 49 Tuesday, November 12, 2013 1:54 PM
50 | Removing the Power-Supply Unit
Removing the Power-Supply Unit
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Prerequisites
Remove the computer cover. See "Removing the Computer Cover" on page 12.
Procedure
1Disconnect the DC power cables from the system board (ATX1), hard drive, and
optical drive. See "System-Board Components" on page 11.
2Remove the screws that secure the power-supply unit to the chassis.
3Press the power-supply clamp to release the power-supply unit from the chassis.
4Slide and lift the power-supply unit away from the chassis
1screws (4) 2power-supply unit
3power-supply clamp
1
2
3
book.book Page 50 Tuesday, November 12, 2013 1:54 PM
Replacing the Power-Supply Unit | 51
Replacing the Power-Supply Unit
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1Slide the power supply towards the back of the chassis.
2Align the screw holes on the power-supply unit with the screw holes on the chassis.
3Replace the screws that secure the power-supply unit to the chassis.
4Connect the DC power cables to the system board and the drives. See
"System-Board Components" on page 11.
Postrequisites
Replace the computer cover. See "Replacing the Computer Cover" on page 13.
book.book Page 51 Tuesday, November 12, 2013 1:54 PM
52 | Removing the System Board
Removing the System Board
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You must enter
the Service Tag in the BIOS after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the location
of the connectors so that you can reconnect them correctly after you replace the
system board.
Prerequisites
1Remove the computer cover. See "Removing the Computer Cover" on page 12.
2Remove the wireless mini-card. See “Removing the Wireless Mini-Card” on page 21.
3Remove the coin-cell battery. See "Removing the Coin-Cell Battery" on page 48.
4Remove the graphics card. See “Removing the Graphics Card” on page 16.
5Remove the processor fan and heat sink. See “Removing the Processor Fan and
Heat Sink Assembly” on page 42.
6Remove the processor. See “Removing the Processor” on page 45.
7Remove the memory modules. See “Removing the Memory Module(s)” on page 14.
8Disconnect all cables connected to the system board. See "System-Board
Components" on page 11.
book.book Page 52 Tuesday, November 12, 2013 1:54 PM
Removing the System Board | 53
Procedure
1Make note of the cable routing and remove the cables from the routing guides.
2Remove the screws that secure the system board to the chassis.
3Lift the system board out of the chassis.
1screws (8) 2system board
1
2
book.book Page 53 Tuesday, November 12, 2013 1:54 PM
54 | Replacing the System Board
Replacing the System Board
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For more safety best practices,
see the Regulatory Compliance home page at dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You must enter
the Service Tag in the system setup after you replace the system board.
Procedure
1Gently place the system board into the chassis and slide it towards the back of the
computer.
2Replace the screws that secure the system board to the chassis.
Postrequisites
1Route and connect the cables that you disconnected from the system board.
See "System-Board Components" on page 11.
2Replace the memory modules. See "Replacing the Memory Module(s)" on page 15.
3Replace the processor. "Replacing the Processor" on page 46.
4Replace the processor fan and heat sink. See "Replacing the Processor Fan and
Heat Sink Assembly" on page 44.
5Replace the graphics card. See "Replacing the Graphics Card" on page 18.
6Replace the coin-cell battery. See "Replacing the Coin-Cell Battery" on page 49.
7Replace the wireless mini-card. See "Replacing the Wireless Mini-Card" on page 22.
8Replace the computer cover. See "Replacing the Computer Cover" on page 13.
Entering the Service Tag in the BIOS
1Turn on the computer.
2Press <F2> when the DELL logo is displayed to enter System Setup.
3Navigate to the main tab and enter the Service Tag in the Service Tag Input field.
book.book Page 54 Tuesday, November 12, 2013 1:54 PM
Flashing the BIOS | 55
Flashing the BIOS
You may need to flash (update) the BIOS when an update is available or when you
replace the system board. To flash the BIOS:
1Turn on the computer.
2Go to dell.com/support.
3If you have your computer's Service Tag, type your computer's Service Tag and
click Submit.
If you do not have your computer's Service Tag, click Detect Service Tag to allow
automatic detection of the Service Tag.
NOTE: If the Service Tag cannot be detected automatically, select your
product under the product categories.
4Click Drivers and Downloads.
5In the Operating System drop-down, select the operating system installed on
your computer.
6Click BIOS.
7Click Download File to download the latest version of the BIOS for your computer.
8On the next page, select Single-file download and click Continue.
9Save the file and once the download is complete, navigate to the folder where you
saved the BIOS update file.
10 Double-click the BIOS update file icon and follow the instructions on the screen.
book.book Page 55 Tuesday, November 12, 2013 1:54 PM