System Board: Dell Latitude 100L Service Manualfile:///C|/Work%20Area%20-%20A/E%20DOC%20Posting/latc100l/en/Service%20Manual/sysboard.htm[2/4/2013 3:01:07 PM]Installing the System Board1. Insert the video connector on the replacement system board through the back of the base plastics.2. Replace the two hex nuts that secure the video connector to the base plastics.3. Replace the two M2.5 x 6-mm screws that secure the left antenna, which is located between the hard drive and opticaldrive cages, to the system board.4. Replace the two M2.5 x 5-mm screws that secure the optical drive cage to the system board.5. Replace the two M2.5 x 5-mm screws that secure the hard drive cage to the system board.6. Replace the two M2.5 x 5-mm screws that secure the chipset heat sink to the system board.7. Replace the battery bay shield, and reinstall the two M2.5 x 5-mm screws that secure the shield to the system board.8. Replace the speakers.9. Replace the microprocessor.NOTICE: Before you replace the microprocessor thermal-cooling assembly, wipe the thermal grease off of theassembly with a clean paper towel. Squeeze all of the contents of the thermal grease packet (provided with the kit) onto the microprocessor thermal-cooling assembly.10. Replace the microprocessor thermal-cooling assembly.11. Replace the palm rest.12. Replace the display assembly.13. Replace the EMI shield.14. Replace the keyboard.15. Replace the Mini PCI card, modem, and memory module(s) that you removed from the old system board.16. Replace the CD or DVD drive.17. Replace the hard drive.18. Insert the battery into the battery bay.19. Connect the AC adapter to the computer and to an electrical outlet.NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside thecomputer. Failure to do so may result in damage to the computer.NOTE: After replacing the system board, enter the computer Service Tag sequence into the BIOS of the replacementsystem board.20. Turn on the computer.21. Insert the CD that accompanied the replacement system board into the appropriate drive, and turn on the computer.Follow the instructions on the screen.Back to Contents Page