Dell XPS 8300, D03M001, D03M User Manual

Dell™ XPS™ 8300 Service

Manual

Model: D03M Series Type: D03M001

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

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.

____________________

Information in this document is subject to change without notice.
© 2010 Dell Inc. All rights reserved.

Trademarks used in this text: Dell™, the DELL logo, and XPS™ are trademarks of Dell Inc.;
Microsoft®, Windows®, and the Windows start button logo are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth® is a
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.
is strictly forbidden.

Regulatory model: D03M series Regulatory Type: D03M004

December 2010 Rev. A00

Contents

1 Technical Overview . . . . . . . . . . . . . . . . . . 9

Inside View of Your Computer . . . . . . . . . . . . . . 9

System Board Components

. . . . . . . . . . . . . . . 10

2 Before You Begin . . . . . . . . . . . . . . . . . . 13

Technical Specifications . . . . . . . . . . . . . . . . 13

Recommended Tools

Turning Off Your Computer

Safety Instructions . . . . . . . . . . . . . . . . . . . 14

. . . . . . . . . . . . . . . . . . 13

. . . . . . . . . . . . . . . 13

3 Computer Cover . . . . . . . . . . . . . . . . . . . 17

Removing the Computer Cover . . . . . . . . . . . . . 17

Replacing the Computer Cover

. . . . . . . . . . . . . 18

4 Memory Module(s) . . . . . . . . . . . . . . . . . 21

Removing the Memory Module(s) . . . . . . . . . . . . 21

Replacing the Memory Module(s)

. . . . . . . . . . . 22

Contents 3

5 Front Bezel . . . . . . . . . . . . . . . . . . . . . . . 27

Removing the Front Bezel . . . . . . . . . . . . . . . . 27

Replacing the Front Bezel

. . . . . . . . . . . . . . . . 29

6 Graphics Card Bracket . . . . . . . . . . . . . . 31

Removing the Graphics Card Bracket . . . . . . . . . . 31

Replacing the Graphics Card Bracket

. . . . . . . . . 32

7 Wireless Mini-Card . . . . . . . . . . . . . . . . . 33

Removing the Mini-Card . . . . . . . . . . . . . . . . . 33

Replacing the Mini-Card . . . . . . . . . . . . . . . . 34

8 PCI Express Cards . . . . . . . . . . . . . . . . . . 37

Removing the Card Retention Bracket . . . . . . . . . 37

Replacing the Card Retention Bracket

Removing PCI Express Cards

. . . . . . . . . . . . . . 39

. . . . . . . . . 38

9Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

4 Contents

Replacing PCI Express Cards . . . . . . . . . . . . . . 41

Configuring Your Computer After Removing or Installing the PCI
Express Card

Hard Drive . . . . . . . . . . . . . . . . . . . . . . . . 45

Removing the Primary Hard Drive

. . . . . . . . . . . . . . . . . . . . . . . 42

. . . . . . . . . 45

Removing the Hard Drive Cage . . . . . . . . . . 46

Removing the Secondary Hard Drive . . . . . . . 47

Replacing the Secondary Hard Drive

Replacing the Hard Drive Cage

. . . . . . . 48

. . . . . . . . . . 49

Replacing the Primary Hard Drive . . . . . . . . . 49

Optical Drive . . . . . . . . . . . . . . . . . . . . . . 50

Removing the Optical Drive

. . . . . . . . . . . . 50

Replacing the Optical Drive . . . . . . . . . . . . 51

Media Card Reader . . . . . . . . . . . . . . . . . . . 54

Removing the Media Card Reader

. . . . . . . . . 54

Replacing the Media Card Reader . . . . . . . . . 56

10 Top Cover . . . . . . . . . . . . . . . . . . . . . . . . 57

Removing the Top Cover . . . . . . . . . . . . . . . . . 57

Replacing the Top Cover

. . . . . . . . . . . . . . . . 59

11 Top I/O Panel . . . . . . . . . . . . . . . . . . . . . . 61

Removing the Top I/O Panel . . . . . . . . . . . . . . . 61

Replacing the Top I/O Panel

. . . . . . . . . . . . . . 63

12 Front USB Panel . . . . . . . . . . . . . . . . . . . 65

Removing the Front USB Panel . . . . . . . . . . . . . 65

Replacing the Front USB Panel

. . . . . . . . . . . . . 67

Contents 5

13 Bluetooth Assembly . . . . . . . . . . . . . . . . 69

Removing the Bluetooth Assembly . . . . . . . . . . . 69

Replacing the Bluetooth Assembly

. . . . . . . . . . . 71

14 Power Button Module . . . . . . . . . . . . . . . 73

Removing the Power Button Module . . . . . . . . . . 73

Replacing the Power Button Module

. . . . . . . . . . 75

15 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Chassis Fan . . . . . . . . . . . . . . . . . . . . . . . 77

Removing the Chassis Fan

Replacing the Chassis Fan

Processor Fan and Heat-Sink Assembly

. . . . . . . . . . . . . 77

. . . . . . . . . . . . . 78

. . . . . . . . 79

Removing the Processor Fan and Heat-Sink Assembly

Replacing the Processor Fan and Heat-Sink Assembly

16 Processor . . . . . . . . . . . . . . . . . . . . . . . . 83

Removing the Processor . . . . . . . . . . . . . . . . . 83

79

81

17 Coin-Cell Battery . . . . . . . . . . . . . . . . . . . 89

6 Contents

Replacing the Processor

. . . . . . . . . . . . . . . . 85

Removing the Coin-Cell Battery . . . . . . . . . . . . . 89

Replacing the Coin-Cell Battery

. . . . . . . . . . . . 90

18 Power Supply . . . . . . . . . . . . . . . . . . . . . 93

Removing the Power Supply . . . . . . . . . . . . . . 93

Replacing the Power Supply

. . . . . . . . . . . . . . 95

19 System Board . . . . . . . . . . . . . . . . . . . . . 97

Removing the System Board . . . . . . . . . . . . . . 97

Replacing the System Board

Entering the Service Tag in the BIOS

. . . . . . . . . . . . . . 99

. . . . . . . . . . 101

20 System Setup Utility . . . . . . . . . . . . . . . 103

Overview . . . . . . . . . . . . . . . . . . . . . . . . 103

Entering System Setup Utility

System Setup Options . . . . . . . . . . . . . . . 104

Boot Sequence

. . . . . . . . . . . . . . . . . . . 109

Clearing Forgotten Passwords

Clearing CMOS Passwords

. . . . . . . . . . . 103

. . . . . . . . . . . . . 110

. . . . . . . . . . . . . . . 112

21 Flashing the BIOS . . . . . . . . . . . . . . . . . 115

Contents 7

8 Contents

Technical Overview

7

2

1

9

5

6

4

8

3

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To avoid electrostatic discharge, ground yourself by using a wrist

grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Inside View of Your Computer

3

Technical Overview 9

1 front bezel 2 primary hard drive

1

2 3

4

5

6

7

8

9

10

12

11

14

13

15

16

17

18

192021

22

23

24

25

27

26

3 graphics card bracket (optional) 4 secondary hard drive

5 system board 6 card retention clamp

7 power supply 8 primary optical drive

9 secondary optical drive

System Board Components

10 Technical Overview

1 power connector (PWR2) 2 processor socket

3 processor fan connector

(CPU_FAN)

5 memory module connector

(DIMM1)

7 memory module connector

(DIMM2)

9 password reset jumper (PSWD) 10 CMOS reset jumper (RTCRST)

11 SATA drive connector (SATA 0) 12

13 SATA drive connector (SATA 1) 14

15 SATA drive connector (SATA 2) 16 front panel USB connector

17 SATA drive connector (SATA 3) 18 battery socket (BATTERY)

19 front panel USB connector

(F_USB2)

21 front panel audio connector

(F_AUDIO1)

23 PCI Express x1 card slot

(PCI-EX1_2)

25 PCI Express x16 card slot

(PCI-EX16_1)

27 chassis fan connector

(SYS_FAN 1)

4 memory module connector

(DIMM3)

6 memory module connector

(DIMM4)

8 main power connector

(PWR1)

power button connector
(F_PANEL)

front panel USB connector
(F_USB1)

(F_USB3)

20 front panel USB connector

(F_USB4)

22 PCI Express x1 card slot

(PCI-EX1_3)

24 PCI Express x1 card slot

(PCI-EX1_1)

26 Mini-Card slot

(PCIE_MINICARD)

Technical Overview 11

12 Technical Overview

1

Before You Begin

This manual provides instructions for removing and installing the
components in your computer. Unless otherwise noted, each procedure
assumes that the following conditions exist:

• You have performed the steps in "Turning Off Your Computer" on page 13
and "Safety Instructions" on page 14.

• You have read the safety information that shipped with your computer

• A component can be replaced or—if purchased separately—installed by
performing the removal procedure in reverse order.

Technical Specifications

For information on technical specifications of your computer, see the Setup
Guide at support.dell.com/manuals.

Recommended Tools

The instructions in this document may require the following tools:

• Small flat-blade screwdriver

• Small Phillips screwdriver

•Plastic scribe

• BIOS executable update program available at

support.dell.com

.

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open

programs before you turn off your computer.

1

Save and close all open files and exit all open programs.

2

To shut down the operating system, click

Down

.

Start

and then click

Before You Begin 13

Shut

3

Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the power button until the computer turns off.

Safety Instructions

Use the following safety guidelines to help protect your computer from
potential damage and to help ensure your own personal safety.

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

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; if you are
disconnecting this type of cable, press in on the locking tabs before you
disconnect the cable. As you pull connectors apart, keep them evenly aligned to
avoid bending any connector pins. Also, before you connect a cable, ensure that
both connectors are correctly oriented and aligned.

CAUTION: To avoid damaging the computer, perform the following steps before

you begin working inside the computer.

1

Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

2

Turn off your computer (see "Turning Off Your Computer" on page 13) and all attached devices.

CAUTION: To disconnect a network cable, first unplug the cable from your

computer and then unplug the cable from the network device.

3

Disconnect all telephone or network cables from the computer.

4

Disconnect your computer and all attached devices from their electrical outlets.

5

Disconnect all attached devices from your computer.

6

Press and eject any installed cards from the Media Card Reader.

7

Press and hold the power button to ground the system board.

14 Before You Begin

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.

Before You Begin 15

16 Before You Begin

Computer Cover

WARNING: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING: To guard against likelihood of electric shock, laceration by moving

fan blades, or other unexpected injuries, always unplug your computer from the
electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

CAUTION: Ensure that sufficient space exists to support the computer with the

cover removed—at least 30 cm (1 ft.) of desk top space.

Removing the Computer Cover

1

Follow the instructions in "Before You Begin" on page 13.

2

Lay the computer on its side with the computer cover facing up.

3

Remove the thumbscrew that secures the computer cover to the chassis, using a screw driver, if necessary.

4

Release the computer cover by sliding it away from the front of the computer.

5

Lift the cover away from the computer and set it aside in a secure location.

2

Computer Cover 17

1 thumbscrew 2 computer cover

2

1

Replacing the Computer Cover

1

Follow the instructions in "Before You Begin" on page 13.

2

Connect all the cables and fold the cables out of the way.

3

Ensure that no tools or extra parts are left inside the computer.

4

Align the tabs at the bottom of the computer cover with the slots located along the edge of the chassis.

5

Press the computer cover down and slide it towards the front of the computer.

6

Replace the thumbscrew that secures the computer cover to the chassis.

18 Computer Cover

1 thumbscrew 2 slots

1

2

3

3 computer cover

7

Place the computer in an upright position.

Computer Cover 19

20 Computer Cover

Memory Module(s)

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Memory Module(s)

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Locate the memory module(s) on the system board (see "System Board Components" on page 10).

4

Press out the securing clip at each end of the memory module connector.

3

Memory Module(s) 21

1 memory module connector 2 securing clip

1

2

5

Grasp the memory module and pull it upwards.

If the memory module is difficult to remove, gently ease the memory
module back and forth to remove it from the connector.

Replacing the Memory Module(s)

1

Follow the instructions in "Before You Begin" on page 13.

2

Press out the securing clip at each end of the memory module connector.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

CAUTION: Do not install ECC or DDR3U memory modules.

CAUTION: If you remove the original memory module(s) from your computer

during a memory upgrade, keep them separate from any new module(s) that you
may have, even if you purchased the new module(s) from Dell. If possible, do not
pair an original memory module with a new memory module. Otherwise, your
computer may not start properly. The recommended memory configurations are:
matched memory module(s) installed in DIMM connectors 1 and 2 and another
matched memory module(s) installed in DIMM connectors 3 and 4.

22 Memory Module(s)

1 matched memory modules in

1

2

DIMM connectors 1 and 2 (white
securing clips)

3

Align the notch on the bottom of the memory module with the tab in the connector.

2 matched memory modules in

DIMM connectors 3 and 4 (black
securing clips)

Memory Module(s) 23

1 cutouts (2) 2 tab

4

3

1

2

3 notch 4 memory module

CAUTION: To avoid damage to the memory module, press the memory module

straight down into the connector while you apply equal force to each end of the
memory module.

4

Insert the memory module into the connector until the memory module snaps into position.

If you insert the memory module correctly, the securing clips snap into the
cutouts at each end of the memory module.

24 Memory Module(s)

1 cutouts (2) 2 securing clip (snapped in

2

1

position)

5

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

6

Connect your computer and devices to electrical outlets, and then turn them on.

If a message appears stating that the memory size has changed, press
<F1> to continue.

7

Log on to your computer.

To verify that the memory is installed correctly, click Start Control
PanelSystem.

Check the amount of memory (RAM) listed.

Memory Module(s) 25

26 Memory Module(s)

Front Bezel

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, front bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Front Bezel

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Place the computer in an upright position.

4

Grasp and release the front bezel tabs sequentially, one at a time by moving them outward from the front panel.

5

Rotate and pull the front bezel away from the front of the computer to release the front bezel clamps from the front panel slots.

4

Front Bezel 27

1 front bezel 2 front panel slots (3)

3

4

2

1

5

3 front bezel tabs (4) 4 front bezel clamps (3)

5 front panel

6

Set aside the front bezel in a secure location.

28 Front Bezel

Replacing the Front Bezel

2

1

3

4

5

1

Follow the instructions in "Before You Begin" on page 13.

2

Align and insert the front bezel clamps into the front panel slots.

3

Rotate the front bezel towards the computer until the front bezel tabs snap into place.

Front Bezel 29

1 front bezel 2 front bezel tabs (4)

3 front panel slots (3) 4 front bezel clamps (3)

5 front panel

4

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

30 Front Bezel

Graphics Card Bracket

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

NOTE: The graphic card bracket is present in your computer only if you ordered a

double-width graphics card at the time of purchase.

Removing the Graphics Card Bracket

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the two screws that secure the graphics card bracket to the chassis.

4

Lift the graphics card bracket off the chassis.

5

Set the graphics card bracket aside in a secure location.

5

Graphics Card Bracket 31

1 screws (2) 2 graphics card bracket

1

2

Replacing the Graphics Card Bracket

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the screw holes on the graphics card bracket with the screw holes on chassis.

3

Replace the two screws that secure the graphics card bracket to the chassis.

4

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

32 Graphics Card Bracket

6

Wireless Mini-Card

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist

grounding strap or by periodically touching an unpainted metal surface (such as a
connector on your computer).

CAUTION: When the Mini-Card is not in the computer, store it in protective

antistatic packaging (see "Protecting Against Electrostatic Discharge" in the
safety instructions that shipped with your computer).

NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards

from sources other than Dell.

If you ordered a wireless Mini-Card with your computer, the card is already
installed.

Your computer supports one half Mini-Card slot for Wireless Local Area
Network (WLAN).

Removing the Mini-Card

1

Follow the instructions in "Before You Begin" on page 13.

Wireless Mini-Card 33

2

1

2

3

Remove the computer cover (see "Removing the Computer Cover" on
page 17).

3

Disconnect the antenna cable(s) from the Mini-Card.

1 antenna cables (2) 2 Mini-Card

3 clips (2)

4

Release the Mini-Card by pressing the clips on either side of the card.

5

Lift the Mini-Card away from the system-board connector.

CAUTION: When the Mini-Card is not in the computer, store it in protective

antistatic packaging (see "Protecting Against Electrostatic Discharge" in the
safety instructions that shipped with your computer).

Replacing the Mini-Card

CAUTION: The connectors are keyed to ensure correct insertion. Use of

excessive force may damage the connectors.

CAUTION: To avoid damage to the Mini-Card, ensure that there are no cables or

antenna cables under the Mini-Card.

34 Wireless Mini-Card

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the notch on the Mini-Card with the tab in the system-board
connector.

3

Insert the Mini-Card at a 45-degree angle into the system-board
connector.

4

Press the other end of the Mini-Card down until it clicks into place. If you
do not hear the click, remove the Mini-Card and reinstall it.

5

Connect the appropriate antenna cables to the WLAN card you are
installing. The WLAN card has two triangles marked on the label (black
and white):

• Connect the black cable to the connector marked with a black

triangle.

• Connect the white cable to the connector marked with a white

triangle.

6

Replace the computer cover (see "Replacing the Computer Cover" on
page 18).

7

Reconnect the computer and devices to electrical outlets, and then turn
them on.

Wireless Mini-Card 35

36 Wireless Mini-Card

PCI Express Cards

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Card Retention Bracket

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the screw that secures the card retention bracket.

4

Lift the card retention bracket and set it aside in a secure location.

7

PCI Express Cards 37

1 screw 2 card retention bracket

1

2

Replacing the Card Retention Bracket

1

Follow the instructions in "Before You Begin" on page 13.

2

Replace the card retention bracket, ensuring that:

• The guide clamp is aligned with the guide notch.

• The top of all cards and filler brackets are flush with the alignment bar.

• The notch on top of the card or filler bracket fits around the
alignment guide.

3

Replace the screw that secures the card retention bracket.

4

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

38 PCI Express Cards

5

4

2

3

6

7

1

1 screw 2 guide clamps (2)

3 card retention bracket 4 alignment bar

5 alignment guide 6 filler bracket

7 guide notches (2)

Removing PCI Express Cards

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

PCI Express Cards 39

3

5

4

3

2

1

Remove the graphics card bracket, if applicable (see "Removing the Graphics Card Bracket" on page 31).

4

Remove the card retention bracket (see "Removing the Card Retention Bracket" on page 37).

5

Disconnect any cables connected to the card, if applicable.

6

Remove the PCI Express card from the card slot:

• For a PCI Express x1 card, grasp the card by its top corners, and ease it
out of its connector.

• For a PCI Express x16 card, push the securing tab, grasp the card by its
top corners, and then ease it out of its connector.

1 PCI Express x1 card 2 PCI Express x1 card slot

3 securing tab 4 PCI Express x16 card slot

5 PCI Express x16 card

40 PCI Express Cards

7

4

3

2

1

If you are removing the card permanently, install a filler bracket in the empty card-slot opening.

NOTE: Installing filler brackets over empty card-slot openings is necessary to

maintain FCC certification of the computer. The brackets also keep dust and
dirt out of your computer.

Replacing PCI Express Cards

1

Follow the instructions in "Before You Begin" on page 13.

2

Prepare the card for installation.

See the documentation that shipped with the card for information on
configuring the card, making internal connections, or otherwise
customizing it for your computer.

3

Place the PCI Express card in the slot on the system board and press down firmly. Ensure that the PCI Express card is fully seated in the slot.

1 PCI Express x1 card 2 PCI Express x1 card slot

3 PCI Express x16 card slot 4 PCI Express x16 card

4

Replace the card retention bracket (see "Replacing the Card Retention Bracket" on page 38).

PCI Express Cards 41

5

Connect any cables that should be attached to the card.

See the documentation that shipped with the card for information about
the card’s cable connections.

CAUTION: Do not route card cables over or behind the cards. Cables routed over

the cards can prevent the computer cover from closing properly or cause damage
to the equipment.

6

Replace the graphics card bracket, if applicable (see "Replacing the Graphics Card Bracket" on page 32).

7

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

8

Reconnect the computer and devices to electrical outlets, and then turn them on.

9

To complete the installation, see "Configuring Your Computer After Removing or Installing the PCI Express Card" on page 42.

Configuring Your Computer After Removing or Installing the PCI Express Card

NOTE: For information about the location of external connectors, see the Setup

Guide. For information on installing drivers and software for your card, see the
documentation that shipped with the card.

42 PCI Express Cards

Sound card

Network card 1

Installed Removed

1

Enter system setup (see "System Setup Utility" on page 103)

2

Go to

Onboard Audio

Controller

the setting to

3

Connect the external audio

and then change

Disabled

devices to the sound card’s
connectors.

Enter system setup (see "System Setup Utility" on page 103)

2

Go to

Onboard LAN

Controller

the setting to

3

Connect the network cable

and then change

Disabled

to the network card’s
connector.

1

Enter system setup (see "System Setup Utility" on page 103)

2

Go to

Onboard Audio

Controller

.

the setting to

3

Connect the external audio

and then change

Enabled

.

devices to the computer’s back
panel connectors.

1

Enter system setup (see "System Setup Utility" on page 103)

2

Go to

Onboard LAN

Controller

.

the setting to

3

Connect the network cable to

and then change

Enabled

.

the integrated network
connector.

PCI Express Cards 43

44 PCI Express Cards

Drives

WARNING: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Hard Drive

Removing the Primary Hard Drive

CAUTION: If you are replacing a hard drive that contains data you want to keep,

back up your files before you begin this procedure.

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Disconnect the power and data cables from the hard drive.

8

NOTE: If you are not replacing the hard drive at this time, disconnect the

other end of the data cable from the system board connector and set it aside.
You can use the data cable to install a hard drive at a later time.

4

Remove the four screws that secure the hard drive to the chassis.

CAUTION: Ensure that you do not scratch the hard drive’s circuit board, while

removing or replacing the hard drive.

Drives 45

5

4

3

1

2

Slide the hard drive out towards the back of the computer.

1power cable 2data cable

3 screws (4) 4 primary hard drive

6

If removing the hard drive changes the drive configuration, ensure that you reflect these changes in the system setup (see "System Setup Utility" on page 103).

Removing the Hard Drive Cage

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

46 Drives

3

3

4

5

1

2

Remove the primary hard drive (see "Removing the Primary Hard Drive" on page 45).

4

Remove the three screws that secure the hard drive cage to the chassis.

5

If applicable, disconnect the power and data cables from the secondary hard drive (see "System Board Components" on page 10).

6

Slide the hard drive cage towards the back of the chassis.

1power cable 2data cable

3screws (3) 4hard drive cage

5 secondary hard drive

Removing the Secondary Hard Drive

1

Follow the instructions in "Before You Begin" on page 13.

Drives 47

2

1

3

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the primary hard drive (see "Removing the Primary Hard Drive" on page 45).

4

Remove the hard drive cage (see "Removing the Hard Drive Cage" on page 46).

5

Remove the four screws that secure the secondary hard drive to the hard drive cage.

6

Slide the secondary hard drive away from the hard drive cage.

1 screws (4) 2 hard drive cage

3 secondary hard drive

Replacing the Secondary Hard Drive

1

Follow the instructions in "Before You Begin" on page 13.

48 Drives

2

Check the documentation that shipped with the hard drive to verify that it is configured for your computer.

3

Slide the secondary hard drive into the hard drive cage.

4

Align the screw holes on the secondary hard drive with the screw holes on the hard drive cage.

5

Replace the four screws that secure the secondary hard drive to the hard drive cage.

Replacing the Hard Drive Cage

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the screw holes on the hard drive cage with the screw holes on the chassis.

3

Replace the three screws that secure the hard drive cage to the chassis.

4

If applicable, connect the power and data cables to the secondary hard drive (see "System Board Components" on page 10).

Replacing the Primary Hard Drive

1

Follow the instructions in "Before You Begin" on page 13.

2

Check the documentation that shipped with the drive to verify that it is configured for your computer.

3

Slide the primary hard drive into the hard drive cage.

4

Align the screw holes on the primary hard drive with the screw holes on the chassis.

5

Replace the four screws that secure the primary hard drive to the chassis.

6

Connect the power and data cables to the primary hard drive (see "System Board Components" on page 10).

7

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

8

Connect your computer and devices to electrical outlets, and then turn them on.

9

See the documentation that shipped with the hard drive for instructions on installing any software required for drive operation.

Drives 49

10

Check the System Setup for drive configuration changes (see "System Setup Utility" on page 103).

Optical Drive

Removing the Optical Drive

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Disconnect the power and data cables from the optical drive.

NOTE: If you are not replacing the optical drive at this time, disconnect the

other end of the data cable from the system board connector and set it aside.
You can use the data cable to install an optical drive at a later time.

5

Remove the two screws that secure the optical drive to the chassis.

6

Push and slide the optical drive out through the front of the computer.

50 Drives

1 power cable 2 data cable

3

4

1

2

3screws (2) 4optical drive

7

Set aside the optical drive in a secure location.

Replacing the Optical Drive

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the screw from the old optical drive and insert it in the new optical drive.

Drives 51

1screw

1

3

To install a secondary optical drive, insert a screw driver and twist it to remove the break-away metal plate.

4

Pull the break-away metal plate away from the chassis.

52 Drives

1

1 break-away metal plate

Gently slide the optical drive into the optical drive bay through the front

5

of the computer.

6

Align the screw holes on the optical drive with the screw holes on the chassis.

7

Replace the two screws that secure the optical drive to the chassis.

Drives 53

8

Connect the power and data cables to the optical drive (see "System Board Components" on page 10).

9

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

10

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

11

Connect your computer and devices to electrical outlets, and turn them on.

12

See the documentation that shipped with the drive for instructions on installing any software required for drive operation.

13

Check the System Setup for drive configuration changes (see "System Setup Utility" on page 103).

Media Card Reader

Removing the Media Card Reader

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Remove the optical drive (see "Removing the Optical Drive" on page 50).

5

Remove the top cover (see "Removing the Top Cover" on page 57).

6

Remove the two screws that secure the Media Card Reader to the front panel. The screws are located below the Media Card Reader.

7

Disconnect the Media Card Reader cable from the system board connector F_USB1 (see "System Board Components" on page 10).

8

Slide and lift the Media Card Reader to remove it from the top panel.

54 Drives

4

5

1

2

3

6

1 Media Card Reader guides (2) 2 slots (2)

3 top panel 4 Media Card Reader

5 screws (2) 6 front panel

Drives 55

Replacing the Media Card Reader

1

Follow the instructions in "Before You Begin" on page 13.

2

Gently slide the Media Card Reader guides into the slots in the top panel.

3

Replace the two screws that secure the Media Card Reader to the front panel.

4

Connect the Media Card Reader cable to the system board connector F_USB1 (see "System Board Components" on page 10).

5

Replace the top cover (see "Replacing the Top Cover" on page 59).

6

Replace the optical drive (see "Replacing the Optical Drive" on page 51).

7

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

8

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

9

Connect your computer and devices to electrical outlets, and then turn them on.

56 Drives

Top Cover

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Top Cover

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Remove the optical drive (see "Removing the Optical Drive" on page 50).

5

Pull the release tab, and slide the top cover towards the front of the computer to release the top cover tabs from the slots on the top panel.

6

Pull the top cover away from the top panel.

9

Top Cover 57

1 slots 2 release tab

4

5

2

1

3

3 top cover tabs 4 top panel

5top cover

7

Set the top cover aside in a secure location.

58 Top Cover

Replacing the Top Cover

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the tabs on the top cover with the slots on the top panel.

3

Press and slide the top cover towards the back of the computer, until it clicks into place.

4

Replace the optical drive (see "Replacing the Optical Drive" on page 51).

5

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

6

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

Top Cover 59

60 Top Cover

10

Top I/O Panel

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Top I/O Panel

NOTE: Make note of the routing of all cables as you remove them so that you can

re-route them correctly when installing the new top I/O panel.

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Remove the optical drive (see "Removing the Optical Drive" on page 50).

5

Remove the top cover (see "Removing the Top Cover" on page 57).

6

Disconnect the top I/O panel cables from the system board connectors, F_USB3 and F_AUDIO1 (see "System Board Components" on page 10).

7

Remove the two screws that secure the top I/O panel to the top panel.

Top I/O Panel 61

2

1

3

1 screws (2) 2 top I/O panel

3top panel

8

Carefully remove the top I/O panel from the top panel.

62 Top I/O Panel

Replacing the Top I/O Panel

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the screw holes on the top I/O panel with the screw holes on the top panel.

3

Replace the two screws that secure the top I/O panel to the top panel.

4

Connect the top I/O panel cables to the system board connectors, F_USB3 and F_AUDIO1 (see "System Board Components" on page 10).

5

Replace the top cover (see "Replacing the Top Cover" on page 59).

6

Replace the optical drive (see "Replacing the Optical Drive" on page 51).

7

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

8

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

9

Connect your computer and devices to electrical outlets, and turn them on.

Top I/O Panel 63

64 Top I/O Panel

11

Front USB Panel

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Front USB Panel

NOTE: Make note of the routing of all cables as you remove them so that you can

re-route them correctly when installing the new front USB panel.

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

CAUTION: When sliding the front USB panel out of the computer, be extremely

careful. Carelessness may result in damage to the cable connectors and the cable
routing clips.

4

Disconnect the front USB panel cables from the system board connector F_USB2 (see "System Board Components" on page 10).

5

Remove the screw that secures the front USB panel to the front panel.

6

Slide the front USB panel down to release the clamps from the front panel and pull it away.

Front USB Panel 65

1 front USB panel clamp slot 2 clamps (2)

3

4

1

4

2

3

3 front USB panel 4 screw

66 Front USB Panel

Replacing the Front USB Panel

CAUTION: To avoid damage to the cable connectors and the cable routing clips,

carefully slide the front USB panel into the front USB panel clamp slot.

1

Follow the instructions in "Before You Begin" on page 13.

2

Align and slide the front USB panel clamps into the front USB panel clamp slot.

3

Replace the screw that secures the front USB panel to the front panel.

4

Connect the front USB panel cables to the system board connector F_USB2 (see "System Board Components" on page 10).

5

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

6

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

7

Connect your computer and devices to electrical outlets, and turn them on.

Front USB Panel 67

68 Front USB Panel

12

Bluetooth Assembly

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Bluetooth Assembly

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Disconnect the Bluetooth assembly cable from the system board connector F_USB4 (see "System Board Components" on page 10).

5

Press in on the tab as shown in the illustration and pull the Bluetooth assembly away from the front panel.

6

Carefully slide and remove the Bluetooth assembly cable through the slot in the front panel.

Bluetooth Assembly 69

2

3

1

4

1 Bluetooth assembly 2 Bluetooth assembly tab

3 Bluetooth assembly cable 4 front panel

7

Set the Bluetooth assembly aside in a secure location.

70 Bluetooth Assembly

Replacing the Bluetooth Assembly

1

Follow the instructions in "Before You Begin" on page 13.

2

Slide the Bluetooth assembly cable through the slot on the front panel.

3

Align the Bluetooth assembly tab with the Bluetooth assembly slot in the front panel.

4

Press in on the Bluetooth assembly tab, and push it towards the front panel until it clicks into place.

5

Connect the Bluetooth assembly cable to the system board connector, F_USB4 (see "System Board Components" on page 10).

6

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

7

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

8

Connect your computer and devices to electrical outlets, and turn them on.

Bluetooth Assembly 71

72 Bluetooth Assembly

13

Power Button Module

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Power Button Module

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the front bezel (see "Removing the Front Bezel" on page 27).

4

Remove the optical drive (see "Removing the Optical Drive" on page 50).

5

Remove the top cover (see "Removing the Top Cover" on page 57).

6

Disconnect the power button module cable from the system board connector, F_PANEL (see "System Board Components" on page 10).

7

Press the power button module tabs and lift the power button module to release it from the top panel.

Power Button Module 73

3

1

4

2

1 cable 2 power button module

3 slot 4 power button module tabs (4)

8

Set the power button module aside in a secure location.

74 Power Button Module

Replacing the Power Button Module

1

Follow the instructions in "Before You Begin" on page 13.

2

Align and push the power button module tabs into the slots on the top panel.

3

Connect the power button module cable to the system board connector, F_PANEL (see "System Board Components" on page 10).

4

Replace the top cover (see "Replacing the Top Cover" on page 59).

5

Replace the optical drive (see "Replacing the Optical Drive" on page 51).

6

Replace the front bezel (see "Replacing the Front Bezel" on page 29).

7

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

8

Connect your computer and devices to electrical outlets and turn them on.

Power Button Module 75

76 Power Button Module

14

Fans

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Chassis Fan

Removing the Chassis Fan

CAUTION: Do not touch the fan blades when you are removing the chassis fan, as

this could damage the fan.

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Disconnect the chassis fan cable from the system board connector SYS_FAN1 (see "System Board Components" on page 10).

4

Remove the four screws that secure the chassis fan to the chassis.

5

Slide and lift the chassis fan away from the computer as shown in the illustration.

Fans 77

1

2

1 screws (4) 2 chassis fan

Replacing the Chassis Fan

1

Follow the instructions in "Before You Begin" on page 13.

2

Align the screw holes on the chassis fan with the screw holes on the chassis.

3

Replace the four screws that secure the chassis fan to the chassis.

4

Connect the chassis fan cable to the system board connector SYS_FAN1 (see "System Board Components" on page 10).

5

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

78 Fans

Processor Fan and Heat-Sink Assembly

WARNING: Despite having a plastic shield, the processor fan and heat-sink

assembly may be very hot during normal operation. Ensure that it has had
sufficient time to cool before you touch it.

CAUTION: The processor fan and heat-sink assembly is a single unit. Do not try to

remove the fan separately.

Removing the Processor Fan and Heat-Sink Assembly

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Disconnect the processor fan cable from the system board connector, CPU_FAN (see "System Board Components" on page 10).

4

Using a flat-blade screwdriver loosen the four captive screws that secure the processor fan and heat-sink assembly to the system board.

CAUTION: When you remove the processor fan and heat-sink assembly, lay it

upside down or on its side to avoid damaging the heat-sink thermal interface.

5

Lift the processor fan and heat-sink assembly out of the computer.

Fans 79

1 processor fan cable 2 captive screws (4)

2

1

3

3 processor fan and heat-sink assembly

80 Fans

Replacing the Processor Fan and Heat-Sink Assembly

1

Follow the instructions in "Before You Begin" on page 13

2

Clean the thermal grease from the bottom of the heat-sink.

CAUTION: Ensure that you apply new thermal grease. New thermal grease is

critical for ensuring adequate thermal bonding, which is a requirement for optimal
processor operation.

3

Apply new thermal grease to the top of the processor.

4

Place the processor fan and heat-sink assembly over the processor.

5

Align the four captive screws on the processor fan and heat-sink assembly with the screw holes on the system board.

6

Tighten the four captive screws that secure the processor fan and heat-sink assembly to the system board.

NOTE: Ensure that the processor fan and heat-sink assembly is correctly seated

and secure.

7

Connect the processor fan cable to the system board connector, CPU_FAN (see "System Board Components" on page 10).

8

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

9

Connect your computer and devices to electrical outlets, and turn them on.

Fans 81

82 Fans

15

Processor

WARNING: Before working inside your computer, read the safety information that

shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your equipment with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

CAUTION: Do not perform the following steps unless you are familiar with

hardware removal and replacement. Performing these steps incorrectly could
damage your system board. For technical service information, see the

Removing the Processor

1

Follow the procedures in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on
page 17).

Setup Guide

.

CAUTION: Despite having a plastic shield, the heat-sink assembly may be very

hot during normal operation. Ensure that it has had sufficient time to cool before
you touch it.

3

Remove the processor fan and heat-sink assembly from the computer (see
"Removing the Processor Fan and Heat-Sink Assembly" on page 79).

NOTE: Unless a new heat-sink is required for the new processor, reuse the original

heat-sink assembly when you replace the processor.

Processor 83

4

1

3

2

1

2

Press the release lever down and then pull it outwards to release it from the
tab that secures it.

5

Extend the release lever completely to open the processor cover.

1 processor cover 2 tab 3 release lever

CAUTION: When removing the processor, do not touch any of the pins inside the

socket or allow any objects to fall on the pins in the socket.

6

Gently lift the processor to remove it from the socket.

Leave the release lever extended in the release position so that the socket is
ready for the new processor.

84 Processor

1 processor 2 socket

1

3

5

4

2

Replacing the Processor

CAUTION: Ground yourself by touching an unpainted metal surface on the back of

the computer.

CAUTION: When replacing the processor, do not touch any of the pins inside the

socket or allow any objects to fall on the pins in the socket.

1

Follow the procedures in "Before You Begin" on page 13.

2

Unpack the new processor, being careful not to touch the underside of
the processor.

CAUTION: You must position the processor correctly in the socket to avoid

permanent damage to the processor and the computer when you turn on the
computer.

3

If the release lever on the socket is not fully extended, move it to that
position.

4

Orient the alignment notches on the processor with the alignment tabs on
the socket.

5

Align the pin-1 corners of the processor and socket.

CAUTION: To avoid damage, ensure that the processor aligns properly with the

socket, and do not use excessive force when you install the processor.

Set the processor lightly in the socket and ensure that the processor is
positioned correctly.

Processor 85

1 socket 2 processor 3 alignment tabs (2)

1

2

3

5

4

4 alignment

notches (2)

CAUTION: Ensure that the processor cover notch is positioned underneath the

alignment post.

6

When the processor is fully seated in the socket, close the processor cover.

7

Pivot the release lever down and place it under the tab on the processor

5 processor pin-1

indicator

cover.

1 alignment post 2 processor cover 3 release lever

4 processor 5 processor cover notch

8

86 Processor

Clean the thermal grease from the bottom of the heat-sink.

CAUTION: Ensure that you apply new thermal grease. New thermal grease is

critical for ensuring adequate thermal bonding, which is a requirement for optimal
processor operation.

9

Apply the new thermal grease to the top of the processor.

10

Replace the processor fan and heat-sink assembly (see "Replacing the
Processor Fan and Heat-Sink Assembly" on page 81).

CAUTION: Ensure that the processor fan and heat-sink assembly is correctly

seated and secure.

11

Replace the computer cover (see "Replacing the Computer Cover" on
page 18).

12

Connect your computer and devices to electrical outlets, and turn them on.

Processor 87

88 Processor

16

Coin-Cell Battery

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: A new battery can explode if it is incorrectly installed. Replace the

battery only with the same or equivalent type recommended by the manufacturer.
Discard used batteries according to the manufacturer’s instructions.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Coin-Cell Battery

1

Record all the screens in system setup (see "System Setup Utility" on
page 103) so that you can restore the correct settings after the new coin­cell battery has been installed.

2

Follow the instructions in "Before You Begin" on page 13.

3

Remove the computer cover (see "Removing the Computer Cover" on page 17).

4

Locate the battery socket on the system board (see "System Board Components" on page 10).

CAUTION: If you pry the battery out of its socket with a blunt object, be careful

not to touch the system board with the object. Ensure that the object is inserted
between the battery and the socket before you attempt to pry out the battery.
Otherwise, you may damage the system board by prying off the socket or by
breaking circuit traces on the system board.

5

Press the battery-release lever to remove the coin-cell battery.

Coin-Cell Battery 89

1battery-release lever 2 coin-cell battery

3

2

1

3battery socket

6

Set aside the battery in a secure location.

Replacing the Coin-Cell Battery

1

Follow the instructions in "Before You Begin" on page 13

2

Insert the new coin-cell battery (CR2032) into the socket with the side labeled "+" facing up, and press the coin-cell battery into place.

90 Coin-Cell Battery

1 coin-cell battery 2 battery socket

2

1

3

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

4

Connect your computer and devices to electrical outlets, and then turn them on.

5

Enter system setup (see "System Setup Utility" on page 103) and restore the settings you recorded in step 1.

Coin-Cell Battery 91

92 Coin-Cell Battery

17

Power Supply

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the Power Supply

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Disconnect the DC power cables from the system board and the drives (see "System Board Components" on page 10).

4

Remove the four screws that secure the power supply to the chassis.

5

Press the power supply clamps to release the power supply from the chassis.

6

Slide and lift the power supply away from the chassis.

Power Supply 93

1 screws (4) 2 power supply

1

2

3

3 power supply clamps (2)

94 Power Supply

Replacing the Power Supply

1

Follow the instructions in "Before You Begin" on page 13.

2

Slide the power supply towards the back of the chassis.

3

Align the screw holes on the power supply with the screw holes on the chassis.

WARNING: Failure to replace and tighten all screws may cause electrical shock

as these screws are a key part of the system grounding.

4

Replace the four screws that secure the power supply to the chassis.

5

Connect the DC power cables to the system board and drives (see "System Board Components" on page 10).

6

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

7

Connect your computer and devices to electrical outlets, and turn them on.

Power Supply 95

96 Power Supply

18

System Board

WARNING: Before working inside your computer, read the safety information

that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from

the electrical outlet before removing the cover.

WARNING: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, etc.) removed.

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

Removing the System Board

1

Follow the instructions in "Before You Begin" on page 13.

2

Remove the computer cover (see "Removing the Computer Cover" on page 17).

3

Remove the Mini-Card, if applicable (see "Removing the Mini-Card" on page 33).

4

Remove any PCI Express cards, if applicable (see "Removing PCI Express Cards" on page 39).

5

Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79).

6

Remove the processor (see "Removing the Processor" on page 83).

7

Remove the memory modules (see "Removing the Memory Module(s)" on page 21) and record which memory module is removed from each DIMM slot so that the memory modules can be installed in the same slot after the system board is replaced.

System Board 97

8

1

2

Disconnect all cables connected to the system board (see "System Board Components" on page 10). Note the routing of all cables as you remove them so that you can re-route them correctly after installing the new system board.

9

Remove the eight screws that secure the system board to the chassis.

1 screws (8) 2 system board

98 System Board

10

Lift the system board up and out of the chassis.

11

Compare the system board that you removed with the replacement system board to ensure that they are identical.

NOTE: Some components and connectors on the replacement system board

may be in different locations compared to the components and connectors on
the existing system board.

NOTE: Jumper settings on the replacement system board is preset at the

factory.

Replacing the System Board

1

Follow the instructions in "Before You Begin" on page 13.

2

Gently place the system board into the chassis and slide it towards the back of the computer.

3

Replace the eight screws that secure the system board to the chassis.

4

Connect the cables that you disconnected from the system board (see "System Board Components" on page 10).

5

Replace the processor (see "Replacing the Processor" on page 85).

6

Replace the processor fan and the heat-sink assembly (see "Replacing the Processor Fan and Heat-Sink Assembly" on page 81).

CAUTION: Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.

CAUTION: Ensure that the heat-sink assembly is correctly seated and secure.

7

Replace the memory modules (see "Replacing the Memory Module(s)" on page 22).

8

Replace any PCI Express cards, if applicable (see "Replacing PCI Express Cards" on page 41).

9

Replace the Mini-Card, if applicable (see "Replacing the Mini-Card" on page 34).

10

Replace the computer cover (see "Replacing the Computer Cover" on page 18).

11

Connect your computer and devices to electrical outlets and turn them on.

System Board 99

12

Flash the system BIOS, as needed.

NOTE: For information on flashing the system BIOS, see "Flashing the BIOS"

on page 115.

100 System Board