Installing The Fan; I/O Board; Removing The I/O Board - Dell Inspiron 7405 2n1 Service Manual

3. Lift the fan off the palm-rest and keyboard assembly.

Installing the fan

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the fan and provides a visual representation of the installation procedure.
Steps
1. Using the alignment posts, place the fan on the palm-rest and keyboard assembly.
2. Replace the two screws (M2x2) that secure the system fan to the palm-rest and keyboard assembly.
3. Connect the fan cable to the system board.
Next steps
1. Install the base cover.
2. Follow the procedure in

I/O board

Removing the I/O board

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
36 Removing and installing components
After working inside your computer.
Before working inside your computer.