Dell G5 5000 Service Manual page 18

Steps
1. Lay the computer on the right side.
2. Disconnect the fan cable from the system board.
3. Gently pull the fan to release it from the rubber grommets.
4. Remove the fan off the chassis.
Installing the chassis fan
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the chassis fan and provides a visual representation of the installation procedure.
18 Removing and installing components