Substance on CPU. wtf?

blakey_boy9

New Member
i took my old heatsink and fan off my CPU and found this white grease like substance covering the CPU, what is this stuff and will i need to put more on when i put the new heatsink on?
 
Yes, it is thermal paste. What is the state of it? If it is dried and crumbly, then you'll want to remove the old and replace with new. IF it is nice and greasy, then you can get away with reusing what is there.

If you want really good heat-transfer, though, then you might consider getting yourself a tube of Arctic Silver 5 and replacing the paste with that. It is one of the best heat-transfer compounds made and what most overclockers use to cool their systems.
 
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