Dell D820 - Latitude Laptop Notebook Bedienungsanleitung

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Dell™Latitude™D820ServiceManual 
Notes, Notices, and Cautions 
Information in this document is subject to change without notice. 
©2006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 Latitude are trademarks of Dell Inc.; 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. 
Model PP04X 
June 2006 Rev. A01 
Before You Begin 
System Components 
Hard Drive 
Hinge Cover 
Memory 
Display Assembly 
Communications Cards 
Palm Rest 
Coin-Cell Battery 
Modem 
Internal Card with Bluetooth®Wireless Technology 
Processor Thermal-Cooling Assembly 
Keyboard 
Processor Module 
PC Card Reader 
System Board 
Battery Latch 
Base 
Fan 
Flashing the BIOS 
Pinout Assignments for I/O Connectors 
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™D820ServiceManual



1. Follow the instructions in Before Working Inside Your Computer.



2. Remove the hard drive (see Hard Drive).



3. Remove the hinge cover (see Hinge Cover).



4. Remove the internal card with Bluetooth®wireless technology.



5. Remove the keyboard (see Keyboard).



6. Remove the display assembly (see Removing the Display Assembly).



7. Remove the palm rest (see Palm Rest).



8. Remove the processor thermal-cooling assembly (see Processor Thermal-Cooling Assembly).



9. Remove the processor (see Removing the Processor Module).



10. Remove the modem (see Modem).



11. Remove the fan (see Fan).



12. Remove the system board (see Removing the System Board).

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

CAUTION: Before performing the following procedures, follow the safety instructions in the Product Information Guide.

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.

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Battery Latch

Dell™Latitude™D820ServiceManual



1. Follow the instructions in Before Working Inside Your Computer.



2. Remove the hard drive (see Hard Drive).



3. Remove the hinge cover (see Hinge Cover).



4. Remove the keyboard (see Keyboard).



5. Remove the display assembly (see Removing the Display Assembly).



6. Remove the palm rest (see Palm Rest).



7. Remove the processor thermal-cooling assembly (see Processor Thermal-Cooling Assembly).



8. Remove the system board (see Removing the System Board).



9. To remove the battery latch, use a plastic scribe or screwdriver to carefully dislodge the battery latch from the base, and lift the latch away.

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

CAUTION: Before performing the following procedures, follow the safety instructions in the Product Information Guide.

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.

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Before You Begin

Dell™Latitude™D820ServiceManual

Recommended Tools

Turning Off Your Computer

Before Working Inside Your Computer

Computer Orientation

This chapter 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 Turning Off Your Computer and Before Working Inside Your Computer.

lYou have follow the safety information in the Product Information Guide.

lA component can be replaced 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Hex nut driver

lFlash BIOS-update program CD

Turning Off Your Computer



1. Shut down the operating system:

a. Save and close any open files, exit any open programs, click Start®Shut Down®Shut down®OK.

The computer turns off after the operating system shutdown process finishes.



2. Ensure that the computer and any attached devices are turned off. If your computer and attached devices do not automatically turn off when you shut

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

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. Turn off your computer (see Turning Off Your Computer).



3. Disconnect any telephone, network, and USB cables from the computer.

NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your computer.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

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 processor by its edges, not by its pins.

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

NOTICE: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have a connector 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.

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

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

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

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



5. Turn over the computer.



6. Remove the battery.

a. Slide the battery-bay latch release on the bottom of the computer toward the back of the computer until the latch is engaged.

b. Grasp the battery by the battery tab and slide the battery horizontally toward the side of the computer.

c. Lift to remove the battery from the bay.



7. Press the power button to ground the system board.



8. Remove any installed ExpressCards, PC Cards, or smart cards from the computer.

Computer Orientation

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

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

battery

battery-bay latch release



front

left

back

right

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Internal Card with Bluetooth®Wireless Technology

Dell™Latitude™D820ServiceManual

If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.



1. Follow the procedures in Before You Begin.



2. Remove the hinge cover (see Hinge Cover).



3. Remove the card from its compartment in the computer.

a. Slide the card to the right.

b. Lift the card out of the computer.



4. Disconnect the card from the card cable connector.

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

CAUTION: Before performing the following procedures, follow the safety instructions in your Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of

the computer.

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

metal tab

card

card cable connector

NOTICE: Be careful when removing the card to avoid damaging the card, card cable, or surrounding components.

card

card connector

card cable connector

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Coin-Cell Battery

Dell™Latitude™D820ServiceManual



1. Follow the procedures in Before You Begin.



2. Remove the memory module cover (see Memory).



3. Remove the coin-cell battery connector from the connector on the system board.



4. Slide the battery out of the plastic sleeve.

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

CAUTION: Before performing the following procedures, follow the safety instructions in your Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching a connector on the back panel of

the computer.

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

plastic sleeve

coin-cell battery

coin-cell battery connector

connector on system board



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System Components

Dell™Latitude™D820ServiceManual

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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.

NOTICE: Unless otherwise noted, each procedure in this document assumes that a part can be replaced by performing the removal procedure in

reverse order.

display latch

display

hinge cover

keyboard

palm rest

system board

base

modem

processor

optical drive

battery

PC Card reader

hard drive

memory module

Mobile Broadband card

WLAN card

fan

processor thermal-cooling assembly

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Processor Module

Dell™Latitude™D820ServiceManual

Removing the Processor Module

Installing the Processor Module

Removing the Processor Module



1. Follow the instructions in Before Working Inside Your Computer.



2. Remove the hinge cover (see Hinge Cover).



3. Remove the keyboard (see Keyboard).



4. Remove the display assembly (see Display Assembly).



5. Remove the palm rest (see Palm Rest).



6. Remove the processor thermal-cooling assembly (see Processor Thermal-Cooling Assembly).



7. 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.

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



8. Use a processor extraction tool to remove the processor module.

Installing the Processor Module

CAUTION: Before performing the following procedures, follow the safety instructions in the Product Information Guide.

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.

NOTICE: Press and hold the processor down by applying slight pressure to the center of the processor while turning the cam screw to prevent

intermittent contact between the cam screw and processor.

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

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

ZIF-socket

ZIF-socket cam screw

pin-1 corner of processor

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

socket does not require force.

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

1. Align the pin-1 corner of the processor module so that it points to the triangle on the system board, and insert the processor module into the ZIF socket.

When the processor 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 processor module to the system board.



3. Replace the processor thermal-cooling assembly (see Processor Thermal-Cooling Assembly).



4. Update the BIOS using a flash BIOS-update program CD (see Flashing the BIOS From a CD).

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

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

socket.

NOTICE: Hold the processor down while turning the cam screw to prevent intermittent contact between the cam screw and processor.

NOTE: If a new microprocessor is installed, you will receive one of the following: a new thermal-cooling assembly which will include an affixed thermal

pad; or, you will receive a new thermal pad along with a tech sheet to illustrate proper installation.

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