Instruction/ maintenance manual of the product D820 Dell
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Dell™Latitude™D820ServiceManual Notes, Notices, and Cautions Information in this document is subject to change without notice. © 2006DellInc.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Inc.
Back to Contents Page Base Dell™Latitude™D820ServiceManual 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 ).
Back to Contents Page Battery Latch Dell™Latitude™D820ServiceManual 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 ).
Back to Contents Page Before You Begin Dell™Latitude™D820ServiceManual 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.
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.
Back to Contents Page Internal Card with Bluetooth ® Wireless Technology Dell™Latitude™D820ServiceManual 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 .
Back to Contents Page Coin - Cell Battery Dell™Latitude™D820ServiceManual 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.
Back to Contents Page System Components Dell™Latitude™D820ServiceManual Back to Contents Page 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.
Back to Contents Page Processor Module Dell™Latitude™D820ServiceManual Removing the Processor Module Installing the Processor Module Removing the Processor Module 1. Follow the instructions in Before Working Inside Your Computer .
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.
Back to Contents Page Processor Thermal - Cooling Assembly Dell™Latitude™D820ServiceManual 1. Follow the instructions in Before Working Inside Your Computer . 2. Remove the hinge cover (see Hinge Cover ). 3. Remove the keyboard (see Keyboard ).
Back to Contents Page Display Assembly Dell™Latitude™D820ServiceManual Removing the Display Assembly Removing the Display Bezel Removing the Display Panel .
10. From the back of the computer, remove the two M2.5 x 8 - mm screws. 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 1. Follow the instructions in Before Working Inside Your Computer .
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 1. Follow the instructions in Before Working Inside Your Computer .
6. Remove the four screws from the left display - panel side bracket and lift away the bracket. Removing the Display Latch 1. Follow the instructions in Before Working Inside Your Computer . 2. Remove the display assembly (see Removing the Display Assembly ).
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Back to Contents Page Fan Dell™Latitude™D820ServiceManual 1. Follow the instructions in Before Working Inside Your Computer . 2. Remove the hard drive (see Hard Drive ). 3. Remove the memory module(s) (see Memory ). 4.
Back to Contents Page Flashing the BIOS Dell™Latitude™D820ServiceManual 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.
Back to Contents Page Hard Drive Dell™Latitude™D820ServiceManual To replace the hard drive in the hard drive bay: 1. Follow the procedures in Before You Begin . 2. Turn the computer upside - down, and remove the two screws that secure the hard drive.
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 .
Back to Contents Page Hinge Cover Dell™Latitude™D820ServiceManual 1. Follow the procedures in Before You Begin . 2. Turn the computer top - side up, and then open the display all the way (180 degrees) so that it rests on your work surface.
Back to Contents Page Keyboard Dell™Latitude™D820ServiceManual 1. Follow the procedures in Before You Begin . 2. Remove the hinge cover (see Hinge Cover ). 3. Remove the three screws at the top of the keyboard. 4.
Back to Contents Page Memory Dell™Latitude™D820ServiceManual The computer has two memory slots, DIMM A and DIMM B. DIMM A is located on top of the computer under the keyboard, and DIMM B is located on the bottom of the computer under the memory module cover.
8. Replace the hinge cover ( Hinge Cover ). 9. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet. 10. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information.
5. Replace the memory module cover and tighten the screw. 6. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet. 7. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information.
Back to Contents Page Communications Cards Dell™Latitude™D820ServiceManual Wireless Cards Subscriber Identity Module (SIM) Card Wireless Cards If you ordered a wireless LAN or WAN card with your computer, the card is already installed.
c. Lift the card out of its connector. 6. Install the card: a. Move any antenna cables out of the way to make space for the WLAN card. b. Align the card with the connector at a 45 - degree angle, and press the card into the connector until it clicks.
b. Release the card by spreading the metal securing tabs until the card pops up slightly. c. Lift the card out of its connector. 6. Install the card: a. Align the card with the connector at a 45 - degree angle, and press the card into the connector until it clicks.
Back to Contents Page 1 SIM card.
Back to Contents Page Modem Dell™Latitude™D820ServiceManual 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.
Back to Contents Page Palm Rest Dell™Latitude™D820ServiceManual 1. Follow the instructions in Before Working Inside Your Computer . 2. Remove the hinge cover (see Hinge Cover ). 3. Remove any devices installed in the media bay.
Back to Contents Page NOTICE: When replacing the palmrest, ensure the internal card with Bluetooth wireless technology cable is properly placed on top of the palmrest to avoid damaging the cable.
Back to Contents Page PC Card Reader Dell™Latitude™D820ServiceManual 1. Follow the instructions in Before Working Inside Your Computer . 2. Remove the hinge cover (see Hinge Cover ). 3. Remove the keyboard (see Keyboard ).
Back to Contents Page Pinout Assignments for I/O Connectors USB Connector Video Connector USB Connector Video Connector Back to Contents Page Pin Signal 1 USB5V+ .
Back to Contents Page System Board Dell™Latitude™D820ServiceManual Removing the System Board Installing the System Board Removing the System Board The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer.
15. Lift the system board out and away from the base. Installing the System Board 1. Perform all the steps in Removing the System Board in reverse order. 2. Insert the battery into the battery bay. 3. Connect the AC adapter to the computer and to an electrical outlet.
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Back to Contents Page Dell™Latitude™D820ServiceManual Notes, Notices, and Cautions Information in this document is subject to change without notice. © 2006DellInc.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Inc.
An important point after buying a device Dell D820 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell D820 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell D820 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell D820 you will learn all the available features of the product, as well as information on its operation. The information that you get Dell D820 will certainly help you make a decision on the purchase.
If you already are a holder of Dell D820, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell D820.
However, one of the most important roles played by the user manual is to help in solving problems with Dell D820. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell D820 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
