Originally Posted by savy

Ok, I'll tell you a secret nobody knows! You know all those fans and noises that come from your computer or laptop? There's a way to eliminate them completely, at least for a while.

You go to Start - Shut Down and click it. Depending on your computer speed and opened programs/documents, it might take a while but it will become silent.

There's another option - hold the Power button for at least 4 seconds. That is at some call it "summoning the silence in a heart beat".