Service Manual

Replacing the I/O board

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the

steps in Before working inside your computer. After working inside your computer, follow the instructions in After working

inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/

regulatory_compliance.

Topics:

• Procedure

• Post-requisites

Procedure

1. Place the I/O board on the palm-rest and keyboard assembly.

2. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly.

3. Replace the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.

4. Slide the power and volume-buttons board, sensor-board cable and I/O-board cables into their respective slots on the I/O

board and close the latches to secure the cables.

Post-requisites

1. Follow the procedure from step 3 to step 4 in “Replacing the hard drive”.

2. Replace the battery.

3. Replace the base cover.

28 Replacing the I/O board