Dell D800 - Latitude 15.4" Notebook Manual de usuario



Dell™Latitude™D800ServiceManual

Before You Begin

System Components

Memory Module, Mini PCI Card, Modem, and Modules

Hard Drive

Bluetooth™Card

Fan

Docking Doors

Keyboard

Display Assembly

Video Card

Microprocessor Thermal-Cooling Assembly

Palm Rest

Microprocessor Module

Flashing the BIOS

Reserve Battery

System Board

Speakers

Base Latch

Pin Assignments for I/O Connectors

Mini Recommended Spares List

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

©2003–2004DellInc.Allrightsreserved.

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

Trademarks used in this text: Dell, the DELL logo, and Inspiron are trademarks of Dell Inc.; Intel is a registered trademark 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 Inc. 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.

Model PP02X

March 2004 Rev. A02

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™D800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 station, 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.

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

12. Remove the hard drive.

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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 applicable instructions in 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.



1

back

2

right

3

front

4

left



Optional Module:

(1 each)



Modem:

(1 each)



Hard Drive:

(1 each)



Fan:



(2 each)



Keyboard:

(2 each)



Display Assembly:

(2 each)



Display Bezel:

display bumpers (8 each)



Display Panel:



(9 each)



Display Latch:



(2 each)



Video Card



(4 each)



Palm Rest:



(2 each)



Speakers:



(1 each)



(13 each)



System Board:



(3 each)



(2 each)



(1 each)









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Flashing the BIOS

Dell™Latitude™D800ServiceManual

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

2. Insert the flash 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 update is complete, the

computer automatically reboots.

3. Press <F2> during POST to enter the system setup program.

4. Press <Esc>, select Save changes and reboot, and then press <Enter> to save configuration changes.

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

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

Bluetooth™Card

Dell™Latitude™D800ServiceManual



If you ordered a Bluetooth card with your computer, the card is already installed.

1. Remove the hard drive.

2. Pull the Bluetooth card connector out of the system board connector.

3. Pull the cable to remove the Bluetooth card from the computer.

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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

2U381

system board connector



Bluetooth card connector



cable

5X617

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Color Insert Cover

Dell™Latitude™D800Dell™Precision™M60ServiceManual

Removing the Color Insert Cover

1. Press down along the front of the display as shown.



2. Firmly grasp the lip of the cover to detach it from the computer, and pull the cover up.

Replacing the Color Insert Cover

1. Place the tabs on the cover in the grooves above the display hinges, and lower the cover over the computer.



2. Press along the front until the cover snaps into place.

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Microprocessor Module

Dell™Latitude™D800ServiceManual



Removing the Microprocessor Module



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

2. Remove the keyboard.

3. Remove the fan.



4. Remove the microprocessor thermal-cooling assembly.

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5. 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.



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, which indicates

the direction to turn the cam screw.

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