Chapter 2: Installation
Removing the Heatsink
Warning: We do not recommend that the CPU or the heatsink be removed. However, if you do need to uninstall the heatsink, please follow the instruc- tions below to uninstall the heatsink to prevent damage done to the CPU or the CPU socket.
1.Unscrew the heatsink screws from the motherboard in the sequence as shown in the illustration below.
2.Gently wriggle the heatsink to loosen it from the CPU. (Do not use excessive force when wriggling the heatsink!!)
3.Once the CPU is loosened, remove the CPU from the CPU socket.
4.Clean the surface of the CPU and the heatsink, removing the used thermal grease. Reapply the proper amount of thermal grease on the surface before
Loosen screws in sequence as shown. 
Screw#4
Screw#1
Screw#2
Motherboard 
Screw#3
Remove the Heatsink
Bracket from underneath
the motherboard.