Installing The Fan - Dell Inspiron 27 7720 All-in-One Owner's Manual

2. Remove the stand.
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.
Figure 39. Removing the fan
Steps
1. Disconnect the fan cable from the system board.
2. Remove the fan cable from the routing post 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.
shield.
Removing and installing Customer Replaceable Units (CRUs) 65