Dell Latitude D531 User manual

Dell™Latitude™D531ServiceManual
Model PP04X
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
©2007DellInc.Allrightsreserved.
Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Inc.; Microsoft, Windows, Windows Vista, and the Windows Vista Start button 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.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
April 2007 Rev. A00
Before You Begin
Media Bay Devices
Hard Drive
Hinge Cover
Keyboard
Memory
Display
Internal Card With Bluetooth®Wireless Technology
Mini-Card
Coin-Cell Battery
Palm Rest
Modem
Processor Thermal-Cooling Assembly
Processor Module
Using Cards
System Board Assembly
Fan
Base
Battery Latch Assembly
Flashing the BIOS
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

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Base
Dell™Latitude™D531ServiceManual
Removing the Computer Base
Replacing the Computer Base
Removing the Computer Base
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1. Follow the instructions in Before Working Inside Your Computer.
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2. Remove the fan (see Removing the Fan).
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3. Remove the system board (see Removing the System Board Assembly).
Replacing the Computer Base

To install the base, follow the procedures in Replacing the System Board Assembly).
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CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.
NOTE: When removing the system board to replace the computer base, it is not necessary to remove the processor, memory, or Mini-Card.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.

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Battery Latch Assembly
Dell™Latitude™D531ServiceManual
Removing the Battery Latch Assembly
Replacing the Battery Latch Assembly
Removing the Battery Latch Assembly

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1. Follow the instructions in Before Working Inside Your Computer.
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2. Remove the computer base (see Removing the Computer Base).

3. Insert a plastic scribe into the notch beneath the edge of the battery latch assembly, and then carefully pry the latch assembly loose.
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4. Slightly lift the battery latch assembly, and then slide the assembly forward out of the base of the computer.
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5. Press the tabs on the battery release button together, and then push the tabs through the base of the computer to remove the button.
Replacing the Battery Latch Assembly

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1. Align the tabs on the battery release button with the hole in the base of the computer, then push the tabs into the hole until they snap into place.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.
NOTICE: The battery latch spring is not secured to the latch assembly and can be easily misplaced. When removing the battery latch assembly, place
the spring in a secure location until the latch is ready to be reinstalled.
1
computer base
2
spring
3
battery latch assembly
4
battery release button
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NOTICE: Before you remove the battery release button, observe the orientation of the button to ensure proper installation when the button is
replaced.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.
NOTICE: Ensure the battery release button is properly oriented before installing the battery latch assembly.

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2. Place the battery latch spring onto the guide post on the battery latch assembly.
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3. With the battery latch assembly slightly elevated, align the slot in the latch assembly with the guide posts on the base of the computer.
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4. Adjust the battery latch spring, as needed, then press the latch assembly into place.

5. Align the tabs on the battery release button with the hole in the battery latch assembly.
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6. Apply pressure to the battery latch assembly, then simultaneously, apply pressure to the battery release button until the tabs on the button push
through the hole on the latch assembly and snap into place.

7. Replace the computer base (see Replacing the Computer Base).
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
NOTE: Ensure that the tabs on the battery latch assembly are behind the retention tabs on the base of the computer.
1
retention tabs
2
guide post (2)
3
battery-latch assembly
slot
4
battery-latch assembly
hole
5
battery-release button
tabs
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Before You Begin
Dell™Latitude™D531ServiceManual
Recommended Tools
Before Working Inside Your Computer
This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
lYou have performed the steps in Before Working Inside Your Computer.
lYou have read the safety information in the Dell Product Information Guide.
lA component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse order.
Recommended Tools
The procedures in this document may require the following tools:
lSmall flat-blade screwdriver
lPhillips screwdriver
lSmall plastic scribe
l5-mm Hex-nut driver
lFlash BIOS update program CD
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.


1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

2. Save and close any open files, exit any open programs, then shut down the operating system and turn off all attached devices:
Windows Vista: Click Start , click the arrow icon, and then click Shut Down.
Windows XP: Start®Shut Down®Shut down.
The computer turns off after the operating system shutdown process finishes.
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3. Disconnect your computer and all attached devices from their electrical outlets.

4. Disconnect all external cables from the computer.
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5. Close the display and turn the computer upside down on a flat work surface.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: 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.
NOTICE: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal
mounting bracket. Hold a component, such as a processor, by its edges, not by its pins.
NOTICE: When disconnecting a cable, pull on the cable's connector or on its strain-relief loop, not on the cable itself. Some cables have connectors with
locking tabs; before disconnecting this type of cable, press inward on the locking tabs to release the connector. When connecting or disconnecting a
cable, ensure that the connectors are correctly oriented and aligned to avoid damage to the connector and/or the connector's pins.
NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your computer.
NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system,
press and hold the power button for 4 seconds.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network device.
NOTICE: To help prevent damage to the system board, remove the main battery before working inside the computer.

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6. Slide and hold the battery latch on the bottom of the computer, then lift the battery out of the battery bay.
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1
battery
2
battery latch
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Flashing the BIOS
Dell™Latitude™D531ServiceManual
Flashing the BIOS From a CD
Flashing the BIOS From the Hard Drive
If a BIOS-update program CD is provided with a new system board, flash the BIOS from the CD. If you do not have a BIOS-update program CD, flash the BIOS
from the hard drive.
Flashing the BIOS From a CD

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

2. Insert the BIOS-update program CD, and turn on the computer.
Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the
computer will automatically reboot.
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3. Press <F2> during POST to enter the system setup program.
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4. Press <Alt> and <f> to reset the computer defaults.
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5. Press <Esc>, select Save/Exit, and press <Enter> to save configuration changes.

6. Remove the flash BIOS update program CD from the drive and restart the computer.
Flashing the BIOS From the Hard Drive

1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.
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2. Turn on the computer.
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3. Locate the latest BIOS update file for your computer at support.dell.com.

4. Click Download Now to download the file.

5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
The File Download window appears.
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6. Click Save this program to disk, and then click OK.
The Save In window appears.
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7. Click the down arrow to view the Save In menu, select Desktop, and then click Save.
The file downloads to your desktop.
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8. Click Close if the Download Complete window appears.
The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.

NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.
NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a
CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.
NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.
NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.

9. Double-click the file icon on the desktop and follow the instructions on the screen.
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Internal Card With Bluetooth®Wireless Technology
Dell™Latitude™D531ServiceManual
Removing the Card With Bluetooth Wireless Technology
Replacing the Card With Bluetooth Wireless Technology
If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.
Removing the Card With Bluetooth Wireless Technology


1. Follow the procedures in Before Working Inside Your Computer.

2. Remove the hinge cover (see Removing the Hinge Cover).

3. Pull the card cable connector out from the metal tab.

4. Pull the cable connector from the card connector.
Replacing the Card With Bluetooth Wireless Technology

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.
1
metal tab
2
card
3
cable connector
1
card
2
card connector
3
cable connector
NOTICE: Be careful when removing the card to avoid damaging the card, card cable, or surrounding components.
CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.


1. Connect the cable connector to the card connector.

2. Slide card cable connector beneath the metal tab.

3. Replace the hinge cover (see Replacing the Hinge Cover).
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
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as the back panel on the computer.