I've had trouble with BSODS and screen freezes on and of for a couple of weeks. Sometimes there is no dumpfile and sometimes there is nothing in event viewer. I uninstalled Avast free and the problem was gone for 4 days. I've tried almost everything. Cleaning out dust updating drivers sfc scannow/ diskcheck. I also reinstalled an image from before the problems started I had another this morning but no log I attacked what I've found relating to it. This is a Windows 7 64 bit with 8 gig ram and a NVIDIA GT 9800 video card. It's a HP dt500.
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