I/O Board; Removing The I/O Board - Dell Inspiron 3502 Service Manual

I/O board

Removing the I/O board

Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
About this task
The following images indicate the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1. Open the latch and disconnect the fingerprint-reader board cable from the I/O board, if applicable.
2. Open the latch and disconnect the I/O-board power cable from the I/O board.
3. Open the latch and disconnect the fingerprint-reader cable from the I/O board, if applicable.
4. Open the latch and disconnect the I/O-board cable from the I/O board.
5. Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
6. Lift the I/O board off the palm-rest and keyboard assembly.
30 Removing and installing components