Windows 10: Pc randomly rebooting

Hello my pc randomly reboots at night and it’s really annoying, as well sometimes everything just goes “not responding” and not even simple windows actions like ctrl+alt+delete workI’ve tried running check disk through the tools tab and it says everything is fine however whenever I try to do it via CMD my pc crashes or it just stops at “the file system is NTFS” I’ve also tried shift clicking restart to get into recovery mode but it blue screens right after post when I do that, all of this is really stressing me out as, in event viewer the error code is 0x0000007e which I believe is drive relat

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PC Randomly Reboots

Just recently, my PC started to randomly reboot, to start it was once every other day, and know every few minutes.
Any suggestions to rectify this problem would be greatly appreciated.

 

PC Randomly Rebooting. Not Temps!

My PC randomly reboots when I play a demanding game, its not the temps as they were 40 CPU and 60 GPU when it rebooted. It started hapening when I updated to W10, all drivers are up to date. Help?

 

PC reboots (no BSOD) on CPU stress

Hi fellow TPU members,

not too long ago, the box my gf's PC was transported in gave way on the stairs. Yes, you got it right, that sent a PC tumbling down a flight of steps alright.

Stuff broke. Also, stuff remained intact somehow.

I bought her a new case, new CPU cooler and we removed the floppy drive, so far so good. But the PC started crashing for no apparent reason, without a BSOD.

I tested:

• Memtest86+, left overnight, 0 errors
• Scanned the HDD for errors, nothing there
• Left FurMark burning up the GFX card and drawing some power, no problems there
• Ran Ubuntu from a Live CD doing nothing special, didn't crash
• Ran OCCT, Linpack, Prime95, all 3 caused reboots within minutes
• Oh, and I disabled "Restart on error" so I'm sure it's not a BSOD.

Now, I can still try and test something CPU intensive on Ubuntu, but my guess is the CPU didn't survive.
Before I do anything drastic like whippin' out the magic wallet and get her a new AMD quad, is there anything I didn't see?
I'm guessing the motherboard could be borkered as well, but can I check that other than replacing the CPU with a working one?
Any suggestions on which proggies I can use from an Ubuntu Live CD to stress the CPU?