Latitude 7490 Owner's Manual

Removing keyboard assembly

1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Disconnect the battery cable from the connector on the system board.
4. Remove the memory module.
5. Remove the PCIe SSD.
6. Remove the WLAN card.
7. Remove the WWAN card.
8. Remove the heat sink assembly.
9. Remove the system board.
10. Disconnect the cables from the palmrest end:
    1. keyboard cable [1]
    2. keyboard backlight cable [2] , USH Board cable(Optional)
    3. Touchpad and USH board cables [3,4]
    
11. To remove the keyboard assembly:
    NOTE To identify the screws, see screw list
    1. Remove the 18 (M2.0 x 2.5) screws that secure the keyboard [1].
    2. Lift the keyboard assembly from the chassis [2].