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BSOD after waking up the machine from sleep state
Hi everybody!
I'm new here and please excuse me in advance if I post a message the wrong way.
A friend of mine has an almost new desktop PC on which he has installed Windows 7 Ultimate x64 SP1.
From time to time he gets the BSOD after waking the machine from sleep state or the machine only restarts (while waking up) and the message appears the the system was not cleanly shut down. A few times in the middle of working (web browsing, using word processor...) the computer also get BSOD and restarted itself. The machine was never overclocked.
The system is fully updated and we have tried to change some of the configuration parameters of Power options. Most exactly we have changed the setting "Allow hybrid sleep" from ON to OFF but we haven't noticed any improvements.
We have updated the BIOS of MB to the last version, but we have no luck.
We have also run some other test for hardware testing:
-memtest 86+ for RAM: run over night about 10 times with no errors
-HD test with DataLife Diagnostics from WD: no errors
-run checkdisk (chkdsk): no errors
-run Stress test with prime95: the TEMP increased from about 30 0C to over 72 0C in about 5 minutes - then we have stopped the test because we were afraid to overheat the CPU. Even though the system was stable. Maybe this is the cause of our problem?
Moreover I have cloned the system partition, formatted the partition and done a fresh install of Windows 8.1 Pro (first installed win 8 and then upgraded to 8.1 Update 1). No other software were installed except MS Office 2010. After three days the system while it was waking up from sleep state restarted itself (no BSOD) and in the Event viewer we found a similar critical message of kernel-power event than in win 7. So I have restored back to win 7 and the problems continue.
I have also tried to enable the driver verifier now in win 7. After that I have only noticed that the system started up a bit slowly and also every program that I started it started a bit slowly - no other visible problems.
Today I have run the DM Log Collector and attached the results.
System specifications:
MB: Gigabyte GA B85-HD3, rev 1.0 with latest BIOS - F6
CPU: Intel i5 4440
RAM: 8GB
HD: 1T WD
GRAPHIC: nVidia GeForce GT 640 + Intel HD 4600
I have no idea where to look for problems so I hope that somebody could help us.
Best regards.