Asus TS300-E7/PS4 - Manual (Page 46)

Chapter 2: Hardware setup 2-26
2.9 Removable components
You may need to remove previously installed system components when installing
or removing system devices, or when you need to replace defective components.
This section tells how to remove the following components:
1. Rear system fan
2. Chassis footpads
2.9.1 System fan
Removing the rear system fan
To remove the rear system fan
1. Unplug the system fan cable from the REAR_FAN1 connector on the
motherboard.
2. Shift the two hooked tabs leftward and rightward respectively.