And I agree, processor cooling fans don’t have a mind of their own and just shift into overdive on freeway. May be a good learning experience for you, I know the paste does need some care applying, A card comes in handy to spread it evenly. And it is not a case of “a lot is better” a thin even layer should work well. I admit I had a time with mine but after it did run correctly after sitting for some time , I took processor off cleaned with 91% alcohol and a nice thin layer of Arctic Silver, I hope you found your answer above as it sounded right on the money to me. One thing about Computers is they can be a bit “cranky” at times but it is usually because a problem still lurks. Good computing and be safe. Chaosone7.