Dell Latitude D500 Manuale utente

Dell™Latitude™D500ServiceManual

Before You Begin

Preparing to Work Inside the Computer

Recommended Tools

Computer Orientation

Screw Identification

Memory Module, Mini PCI Card, and Devices

Memory Module

Mini PCI Card

Devices

System Components

Reserve Battery

Hard Drive

Keyboard

Display Assembly and Display Latch

Display Assembly

Display Bezel

Display Panel

Display Latch

Palm Rest

Docking Doors

Fan

Bluetooth™Card

Microprocessor Thermal-Cooling Assembly

System Board

Microprocessor Module

Flashing the BIOS

Speakers

Base Latch

Modem

Pin Assignments for I/O Connectors

USB Connector

Video Connector

Parallel Connector

S-Video TV-Out Connector

Serial Connector

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

©2003DellComputerCorporation.Allrightsreserved.

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Latitude are trademarks of Dell Computer Corporation; Intel is a registered trademarks of Intel Corporation; Microsoft and

Windows are registered trademarks of Microsoft Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Computer Corporation 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 Computer Corporation

disclaims any proprietary interest in trademarks and trade names other than its own.

Model PP05L

April 2003 Rev. A00

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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Before You Begin

Dell™Latitude™D500ServiceManual

Preparing to Work Inside the Computer

Recommended Tools

Computer Orientation

Screw Identification

Preparing to Work Inside the Computer



1. Ensure that the work surface is flat and clean to prevent scratching the computer cover.

2. Save any work in progress and exit all open programs.

3. Turn off the computer and all attached devices.



4. If the computer is connected to a docking device (docked), undock it.

5. Disconnect the computer from the electrical outlet.

6. To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices.

7. Disconnect all other external cables from the computer.

8. Remove any installed PC Cards from the PC Card slot.

9. Close the display and turn the computer upside down on a flat work surface.



10. Slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the bay.



11. Remove any installed memory modules, Mini PCI cards, and devices, including a second battery if one is installed.

12. Remove the hard drive.

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. Read and follow the safety instructions in the System Information Guide that came with the computer.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of

your computer's electronic components. You can do so by touching an unpainted metal surface.

CAUTION: 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 microprocessor by its edges, not by its pins.

NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the computer operating

system, press and hold the power button for 4 seconds.

NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.

Recommended Tools

The procedures in this manual require the following tools:

l#1 Phillips screwdriver

l¼-inch flat-blade screwdriver

lSmall plastic scribe

lFlash BIOS update program floppy disk or CD

Computer Orientation



Screw Identification

When you are removing and replacing components, photocopy "Screw Identification" as a tool to lay out and keep track of the screws. The placemat provides

the number of screws and their sizes.



back

right

front

left

Optional Device:

(1 each)



Hard Drive:

(1 each)



Keyboard:

(2 each)



Display Assembly:

(3 each)



Display Bezel:

(display bumpers, 6 each)

(6 each)



Display Panel:

(4 each)



Display Latch:

(3 each)



Palm Rest:

(3 each)



(9 each)



Fan:

(2 each)



System Board:

(1 each)



(1 each)



Speakers:

(1 each)



(1 each)



Modem:

(1 each)



Back to Contents Page



(4 each)



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Flashing the BIOS

Dell™Latitude™D500ServiceManual

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

2. Insert the BIOS update program floppy disk or 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.

3. Press during POST to enter the system setup program.

4. Press and to reset the computer defaults.

5. Press , select Save changes and reboot, and press to save configuration changes.

6. Remove the flash BIOS update program floppy disk or CD from the drive and restart the computer.



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

NOTE: If you use a BIOS update program CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.

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Bluetooth™Card

Dell™Latitude™D500ServiceManual



1. Follow the instructions in "Preparing to Work Inside the Computer."

2. Remove the keyboard.

3. Remove the display assembly.

4. Remove the palm rest.

5. Remove the Bluetooth card by pulling it straight up from the system board connector.



Back to Contents Page



CAUTION: Before performing the following procedures, read the safety instructions in your System 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.

Bluetooth card

system board connector

Back to Contents Page

Microprocessor Module

Dell™Latitude™D500ServiceManual

Removing the Microprocessor Module



1. Follow the instructions in "Preparing to Work Inside the Computer."

2. Remove the keyboard.



3. Remove the microprocessor thermal-cooling assembly.



4. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.



5. Lift out the microprocessor module.

Installing the Microprocessor Module



CAUTION: Before performing the following procedures, read the safety instructions in your System 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: Do not touch the processor die. Press and hold the microprocessor down on the substrate on which the die is mounted while turning the cam

screw to prevent intermittent contact between the cam screw and microprocessor.

NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that it is perpendicular to the microprocessor when turning the cam screw.

NOTICE: To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the microprocessor thermal-cooling assembly. The

oils in your skin reduce the heat transfer capability of the thermal pads.

NOTICE: When removing the microprocessor module, pull the module straight up. Be careful not to bend the pins on the microprocessor module.

screwdriver (perpendicular

to microprocessor)

ZIF-socket cam screw

ZIF socket

pin-1 corner

NOTE: The ZIF-socket cam screw secures the microprocessor to the system board. Take note of the arrow on the ZIF-socket cam screw.



1. Align the pin-1 corner of the microprocessor module with the pin-1 corner of the ZIF socket, and insert the microprocessor module.



When the microprocessor module is correctly seated, all four corners are aligned at the same height. If one or more corners of the module are higher

than the others, the module is not seated correctly.

2. Tighten the ZIF socket by turning the cam screw clockwise to secure the microprocessor module to the system board.

3. Replace the other computer parts you removed earlier in this procedure.

4. Update the BIOS using a flash BIOS update program floppy disk or CD. For instructions on how to flash the BIOS, see "Flashing the BIOS."

Back to Contents Page



NOTICE: Ensure that the cam lock is in the fully open position before seating the microprocessor module. Seating the microprocessor module properly in

the ZIF socket does not require force.

NOTICE: A microprocessor module that is not properly seated can result in an intermittent connection or permanent damage to the microprocessor and

ZIF socket.

NOTE: The pin-1 corner of the microprocessor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket.

NOTICE: You must position the microprocessor module correctly in the ZIF socket to avoid permanent damage to the module and the socket.

Back to Contents Page

Display Assembly and Display Latch

Dell™Latitude™D500ServiceManual

Display Assembly

Display Bezel

Display Panel

Display Latch

Display Assembly



1. Follow the instructions in "Preparing to Work Inside the Computer."

2. Remove the keyboard.

3. Open the display assembly approximately 180 degrees, and support the display assembly so that it does not open past this position.

4. Loosen the captive screw that secures the display cable to the system board, and release the cable from the four cable-routing clips.



5. Pull up on the pull-tab that is attached to the display cable connector to remove the connector from the system board.

6. Remove the three M2.5 x 6-mm screws.

7. Rotate the display assembly to a 90-degree angle, and lift the display assembly up and out of the computer base.



CAUTION: Before performing the following procedures, read the safety instructions in your System 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: You must remove the display assembly before you remove the palm rest.

M2.5 x 6-mm screws (3)

display cable connector

display

computer base

pull-tab

system board connector

captive screw

cable-routing clips (4)

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