Latitude 3490 Owner’s Manual

Removing power button board

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Removing the SIM tray – WWAN models
   2. base cover
   3. battery
   4. Hard disk
   5. System fan
   6. VGA board
3. To remove the power button board:
   1. Disconnect the power button board cable from its connector on the system board [1] and peel the adhesive to release it [2].
   2. Remove the M2x2 screw that secures the power button board to the system [3].
   3. Slightly pull and lift the power button board from the system [4].