For the last month or so my PC has been randomly restarting while gaming, without any apparent cause.
My build:
Intel i7 2600k
ASUS Sabertooth P67 B3
Galaxy GTX 680 2GB
Samsung 840 SSD
Corsair 750W PSU
16GB PC1333 CL9 Kingston RAM
My PSU, CPU and Mobo are about 3 years old, the rest is 1-2 years younger.
The power loss always occurs suddenly, and exclusively after gaming for 1-3 hours. Reboot is always automatic. I never have any freezing, BSOD or difficulty booting. Windows Event Viewer also never shows any events tied to the reset. The only not it makes of it is generic "Your computer powered down unexpectedly" error messages.
This has led me to tentatively rule out a RAM issue, as there has been no BSOD or freezing or other issues associated with RAM failure.
I've also ruled out temperature related resets. I purchased a CoolerMaster EVO 212 to resolve the issue, as my CPU was running hot (old thermal paste), as well as upping my fan speeds. While this has resulted in much better temps, it hasn't resolved the reset issue.
I've stress tested my CPU and GPU extensively, with FurMark and Prime95. Temperatures and voltages are both optimal even after several hours of testing. Stress testing with FurMark and Prime95, separately and at the same time, have so far failed to replicate the resetting issue. My PC runs competently even while under heavy load from both of these tests running simultaneously for multiple hours.
Specifically, while gaming consistently causes resets in 1-3 hours (usually around 1 hour), stress testing for several hours or more has not caused resets at all. Resets also never occur during non-gaming use, even after multiple days of continual activity.
I really don't know what to make of this. If my PSU was failing under load, then the stress testing should have replicated the same failure. Ditto if there was something wrong with most of my other components. Nevertheless, my PC stands resilient and stable in the face of significant punishment, but resets after relatively short periods of significantly less taxing gaming.
I haven't conclusively ruled anything out yet, but a solution is far from obvious and so far the evidence doesn't conform neatly to any common causes that I've found for this issue.
I've even rolled back my nVidia drivers to March 2013's 314.22 (without 3D vision or GeForce experience) under reports that later drivers have been causing issues and damaging hardware.
At this point I have no idea what to do. Does anyone have any suggestions or ideas for further avenues of investigation? I'm completely stumped.
My build:
Intel i7 2600k
ASUS Sabertooth P67 B3
Galaxy GTX 680 2GB
Samsung 840 SSD
Corsair 750W PSU
16GB PC1333 CL9 Kingston RAM
My PSU, CPU and Mobo are about 3 years old, the rest is 1-2 years younger.
The power loss always occurs suddenly, and exclusively after gaming for 1-3 hours. Reboot is always automatic. I never have any freezing, BSOD or difficulty booting. Windows Event Viewer also never shows any events tied to the reset. The only not it makes of it is generic "Your computer powered down unexpectedly" error messages.
This has led me to tentatively rule out a RAM issue, as there has been no BSOD or freezing or other issues associated with RAM failure.
I've also ruled out temperature related resets. I purchased a CoolerMaster EVO 212 to resolve the issue, as my CPU was running hot (old thermal paste), as well as upping my fan speeds. While this has resulted in much better temps, it hasn't resolved the reset issue.
I've stress tested my CPU and GPU extensively, with FurMark and Prime95. Temperatures and voltages are both optimal even after several hours of testing. Stress testing with FurMark and Prime95, separately and at the same time, have so far failed to replicate the resetting issue. My PC runs competently even while under heavy load from both of these tests running simultaneously for multiple hours.
Specifically, while gaming consistently causes resets in 1-3 hours (usually around 1 hour), stress testing for several hours or more has not caused resets at all. Resets also never occur during non-gaming use, even after multiple days of continual activity.
I really don't know what to make of this. If my PSU was failing under load, then the stress testing should have replicated the same failure. Ditto if there was something wrong with most of my other components. Nevertheless, my PC stands resilient and stable in the face of significant punishment, but resets after relatively short periods of significantly less taxing gaming.
I haven't conclusively ruled anything out yet, but a solution is far from obvious and so far the evidence doesn't conform neatly to any common causes that I've found for this issue.
I've even rolled back my nVidia drivers to March 2013's 314.22 (without 3D vision or GeForce experience) under reports that later drivers have been causing issues and damaging hardware.
At this point I have no idea what to do. Does anyone have any suggestions or ideas for further avenues of investigation? I'm completely stumped.