ECN Forum Forums Technical Discussion Re: Computers and the Internet computer making moaning noises??

You might also look at your other fans as I have had a few moan from time to time until I replace them...

Also, another name for the "heat sink" compound is Thermal Conductivity Grease.

It's only purpose is to insure an air tight bond between the CPU and heat sink.

You can find thermal conductivity grease at any electronics store.