Installing The Fan - Dell Inspiron 24 5421 Owner's Manual

3. Remove the back cover.
4. Remove the I/O cover.
5. Remove the system-board
About this task
The following image indicates the location of the fan and provides a visual representation of the removal procedure.
Steps
1. Disconnect the fan cable from the system board.
2. Remove the fan cable from the routing guides on the display-assembly base.
3. Remove the three screws (M2x3.5) that secure the fan to the display-assembly base.
4. Lift the fan, along with its cable, off the display-assembly base.

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.
68 Removing and installing Customer Replaceable Units (CRUs)
shield.