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My Windows 7 almost always restarts when I keep it idle for ~20-30mins. It happened randomly before, but lately, if I leave the computer I can be sure it's gonna restart after those 30mins. It never happens when I play games or work tho, just when it's idle.
It's a fresh install of Windows 7 64bit. I had also problems while installing it, it always crashed while finalizing the install and I had to reinstall again. Eventually it installed on 3rd or 4th try after I deleted all of my partitions and added them again.
I thought it might have been a hardware problem, but temperatures seem to be okay and I have no idea how to track what might have been causing it.
Any ideas?
I'm running Windows 7 64bit on:
- Gigabyte EX58-UD4P
- Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
- NVIDIA GeForce GTX 260
- 6GB of DDR3 1066Mhz RAM
- WDC WD1001FALS-00J7B0 1TB SATA II
I have a very bad feeling it might be something with HDD and its compatibility with Windows 7 as I haven't had those problems for 1 year while I had Vista.
Edit:
I checked Event Viewer critical errors from this night. PC restarted first time at 11:12pm, then at 3:06am and since then every ~20min until I came back to it.
Error message is:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Source: Kernel-Power
+1 I had the same problem. Never found a solution, gave it away to a friend who runs SUSE on it and he has no problems. But I think he also swapped/replaced some parts. – Nifle – 2010-05-30T11:17:28.563
I have the same problem. No Power management settings on, and it still restarts about 30mins after being idle... odd. – rFactor – 2012-08-13T15:17:15.517
@rFactor it was most likely combination of new GFX and old power supply in my case. I had also booting issues where sometimes Windows restarted during boot and sometimes it did not. It turned out my GFX needed bit more current on +12V rail. – Ondrej Slinták – 2012-08-13T16:27:53.550