Asus RS520-X5/PS8 - Manual (Page 36)

Chapter 2: Hardware setup 2-18
2.8 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. System fans
2. Optical drive
2.8.1 System fans
To uninstall the system fans:
1. Press inward to release the system
fan.
2. Lift the fan, then set aside.
3. Repeat step 1 to 2 to uninstall the
other system fans.