Posted 08 September 2010 - 11:09 PM
This is a problem that has been happening fairly recently, but I can't remember exactly when it started. My computer just randomly freezes up when I am not doing anything. It does not respond to any input devices, and continues to display whatever the most recent frame was (i.e. no weird graphical artifacts or anything). This happens maybe once a week; often enough to be annoying.
I googled around and found that people were reporting random crashes, and that microsoft had provided a hotfix, so I downloaded and installed it, but the crashes continued.
This might be a clue: I just remembered that I had been getting the same crashes reliably when using PDAnet to tether my phone, and accessing the internet using Chrome. I concluded that there was something wrong with PDAnet (and subsequently forgot about it because my local internet access started working again), but maybe it gives a clue as to what process or service is causing the crash.
I initially suspected memory problems (the most likely culprit), but I doubt that could be it. I built this computer back in June and have been using it every day, but the crashes only started about a month or so ago. I also ran windows memory diagnostic and prime95 (on the setting that stresses both RAM and CPU, for about 6 hours), and came up with no errors.
This might be unrelated, but when I restart after a crash, startup is glacially slow. I can move the mouse around and open folders, but applications simply do not start when I click on them. This includes the task manager, which would be nice to have open so that I could see what process is hogging resources. After about 5-10 minutes, suddenly everything opens at once, which makes me wonder what the OS was doing that whole time.
Here are some specs; let me know if you need more information:
Windows 7 professional 64-bit
Intel Core i7 930
ASRock x58 Extreme 3
Corsair 750w PSU
2x ASUS EAH5850 (in crossfire)
I overclocked both the CPU and the memory, but like I said, it all passed prime95, so I doubt my settings are the problem.
I appreciate any help you guys can give.