Dell G3 3500 - I;O board

I/O board
Removing the I/O board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the left fan.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1. Open the latch, and disconnect the I/O-board cable from the I/O board.
2. Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
3. Lift the I/O board off the palm-rest and keyboard assembly.
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Removing and installing components