Dell D820- Manuals

  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...

Back to Contents Page   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 cove...

Back to Contents Page   System Components Dell™ Latitude™ D820  Service Manual 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. NOTICE: Unless otherwis...

Back to Contents Page   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....

Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Latitude™ D820  Service Manual   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 Displa...

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 Assem...

  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 .   2. Remove t...

  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 ).   3. Remove the display bezel (see...

Back to Contents Page   Fan 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 memory module(s) (see Memory ).   4. Remove any installed wireless communications cards (see Communicat...

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...

Back to Contents Page   Hard Drive Dell™ Latitude™ D820  Service Manual 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.   3. Remove the two screws from the side...

Back to Contents Page   Hinge Cover Dell™ Latitude™ D820  Service Manual   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.   3. Insert a plastic scribe in the indent to caref...

Back to Contents Page   Keyboard Dell™ Latitude™ D820  Service Manual   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. Rotate the keyboard forward and lay it on the palm rest to allow access...

Back to Contents Page   Memory Dell™ Latitude™ D820  Service Manual 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. DIMM A holds the basic memory modu...

Back to Contents Page   Communications Cards Dell™ Latitude™ D820  Service Manual    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.   Wireless Local Area Network (WLAN) Cards   1. F...

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.   7. Connect the antenna cables to the WLAN...

Back to Contents Page   Modem Dell™ Latitude™ D820  Service Manual   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...

Back to Contents Page   Palm Rest Dell™ Latitude™ D820  Service Manual   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.   4. Remove the keyboard (see Keyboard ).   5. Remove the d...

Back to Contents Page   PC Card Reader Dell™ Latitude™ D820  Service Manual   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. R...

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+ 2 USBP – 3 USBP+ 4 GND   Pin   Signal   Pin   Signal 1 CRT_R 9 5V+ 2 CRT_G 1 0 GND 3 CRT_B 1 1 MONITOR_DETECT – 4 N C 1 ...

Back to Contents Page   System Board Dell™ Latitude™ D820  Service Manual    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. The replace...

  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.   4. Turn on the comp...

  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...

Back to Contents Page   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 cove...

Back to Contents Page   System Components Dell™ Latitude™ D820  Service Manual 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. NOTICE: Unless otherwis...

Back to Contents Page   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....

Back to Contents Page   Processor Thermal-Cooling Assembly Dell™ Latitude™ D820  Service Manual   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 Displa...

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 Assem...

  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 .   2. Remove t...

  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 ).   3. Remove the display bezel (see...

Back to Contents Page   Fan 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 memory module(s) (see Memory ).   4. Remove any installed wireless communications cards (see Communicat...

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...

Back to Contents Page   Hard Drive Dell™ Latitude™ D820  Service Manual 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.   3. Remove the two screws from the side...

Back to Contents Page   Hinge Cover Dell™ Latitude™ D820  Service Manual   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.   3. Insert a plastic scribe in the indent to caref...

Back to Contents Page   Keyboard Dell™ Latitude™ D820  Service Manual   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. Rotate the keyboard forward and lay it on the palm rest to allow access...

Back to Contents Page   Memory Dell™ Latitude™ D820  Service Manual 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. DIMM A holds the basic memory modu...

Back to Contents Page   Communications Cards Dell™ Latitude™ D820  Service Manual    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.   Wireless Local Area Network (WLAN) Cards   1. F...

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.   7. Connect the antenna cables to the WLAN...

Back to Contents Page   Modem Dell™ Latitude™ D820  Service Manual   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...

Back to Contents Page   Palm Rest Dell™ Latitude™ D820  Service Manual   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.   4. Remove the keyboard (see Keyboard ).   5. Remove the d...

Back to Contents Page   PC Card Reader Dell™ Latitude™ D820  Service Manual   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. R...

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+ 2 USBP – 3 USBP+ 4 GND   Pin   Signal   Pin   Signal 1 CRT_R 9 5V+ 2 CRT_G 1 0 GND 3 CRT_B 1 1 MONITOR_DETECT – 4 N C 1 ...

Back to Contents Page   System Board Dell™ Latitude™ D820  Service Manual    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. The replace...

  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.   4. Turn on the comp...