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Dell™ Latitude™ D820 Service Manual
Before You Begin Processor Thermal-Cooling Assembly
System Components Keyboard
Hard Drive Processor Module
Hinge Cover PC Card Reader
Memory System Board
Display Assembly Battery Latch
Communications Cards Base
Palm Rest Fan
Coin-Cell Battery Flashing the BIOS
Modem Pinout Assignments for I/O Connectors
Internal Card with Bluetooth® Wireless Technology
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make b
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Back to Contents Page Base Dell™ Latitude™ D820 Service Manual 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. 1. Follow the instructions in Before Working Inside Your Computer.
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Back to Contents Page Battery Latch Dell™ Latitude™ D820 Service Manual 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. 1. Follow the instructions in Before Working Inside Your Comp
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Back to Contents Page 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 f
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4. Disconnect your computer and all attached devices from their electrical outlets. 5. Turn over the computer. NOTICE: To avoid damaging the system board, you must remove the main battery before you service 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
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Back to Contents Page Internal Card with Bluetooth® Wireless Technology Dell™ Latitude™ D820 Service Manual 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 beg
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Back to Contents Page Coin-Cell Battery Dell™ Latitude™ D820 Service Manual 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.
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Back to Contents Page System Components Dell™ Latitude™ D820 Service Manual 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. 1 display latch 2 display 3 hinge cover 4 keyboard 5 palm rest 6 system boa
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Back to Contents Page Processor Module Dell™ Latitude™ D820 Service Manual Removing the Processor Module Installing the Processor Module Removing 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
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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. 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 se
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Back to Contents Page Processor Thermal-Cooling Assembly Dell™ Latitude™ D820 Service Manual 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. 1. Follow the instructions in Before Wor
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Back to Contents Page Display Assembly Dell™ Latitude™ D820 Service Manual Removing the Display Assembly Removing the Display Bezel Removing the Display Panel Installing the Display Panel Removing the Display Panel Brackets Removing the Display Latch Removing the Display Assembly CAUTION: Before performing the following procedures, follow the safety instructions in the Product Information Guide. CAUTION: To prevent static damage to components inside your c
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1 M2.5 x 8-mm screws labeled "D" (2) 10. From the back of the computer, remove the two M2.5 x 8-mm screws. 1 M2.5 x 8-mm screws (2) 11. Turn the computer top-side up and open the display. 12. Lift the display assembly out of the computer base. Removing the Display Bezel 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, discharg
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5. Starting from the sides of the display panel, use your fingers to separate the bezel from the top cover and lift the bezel away from the top cover. Removing the Display Panel 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
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1 display panel 2 display-panel side bracket 3 screws (4) 6. Remove the four screws from the left display-panel side bracket and lift away the bracket. Removing the Display Latch 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
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Back to Contents Page
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Back to Contents Page Fan Dell™ Latitude™ D820 Service Manual 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. 1. Follow the instructions in Before Working Inside Your Computer.
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Back to Contents Page Flashing the BIOS Dell™ Latitude™ D820 Service Manual Flashing the BIOS From a CD Flashing the BIOS From the Hard Drive If a BIOS-update program CD is provided with the 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. NOTE: If you use a BIOS-updat
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Back to Contents Page Hard Drive Dell™ Latitude™ D820 Service Manual CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: To prevent data loss, turn off your computer before removing the hard drive. Do not remove the hard drive while the computer is turned on, in standb
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6. Slide the new hard drive into the bay and into the connector until it is fully seated. 7. Replace the two hard drive screws. Back to Contents Page
