Originally Posted by Treeckcold57
70% or 91% or 99.9% isopropyl alcohol should do it fine. I've used 70% one and just let it dry for a few minutes after clean up the old paste. You should boot up your pc after you apply the paste only if you install your CPU cooler correctly. It should be fine. I don't see any reason why should you wait before boot up after apply the paste.
Trickle pickle ignore the spam bot. He took this reply from another forum thread on another forum from 2008
I reported it but there's only one mod of this forum so he probably hasn't seen the report yet.