A few weeks back I was suffering hardware BSODs ("an unrecoverable hardware error..."). I swapped from an ATi to an nVidia GPU and changed the PSU and it was OK for a while, but it's now happening again.
It doesn't seem to have any specific warning or cause normally, but wierdly, zipping up a folder with 7-zip always causes it to happen! This was particularly annoying because every time I zipped up the diagnostic files it crashed...
Anywho, I'd really like to know what component is causing it before I start randomly changing them. Thanks..
EDIT: Windows 7 x64.