Here is another poor soul sucked into windows 7, only to find that most of the time 60% of my AMD Phenom II X4 940 is tied up by what the resouce monitor claims is system interrupts. I have not added or changed anything since installing the windows 7 X64 upgrade to my Vista 64 system. I did have a little trouble getting my earphones to work - but that is about it. Any suggestions on what I might do next? I've looked at all the answers to the same problem in other threads but they have not helped or did not seem to apply.