Desktop "hard reboots" every 1-10 minutes

I bought a custom built desktop from iBuyPower about 3 years ago. I've had 0 problems with it in the time I've owned it. This past Friday, 1-6-17, I went to work and everything was normal. When I came home after work my desktop was constantly "hard rebooting" every 1-10 minutes(very similar to pushing the Reset or "OH ****" button on the front to instantly restart it). I've tried everything I could so far to correct the problem and can't seem to get it. I've tried repairing, restoring, completely reinstalled Windows 10, and ran MemTest86 with no results.

Currently I'm on Safe Mode and have been on Safe Mode since late last night with no restarts but when it boots up normally it begins to restart all over again. but again... it runs perfectly fine in Safe Mode.

Does anyone have any suggestions on what my problem may be and how to fix it or at least a way to find the problem?
 
If you haven't already turn off 'automatic restart on error' - which may be in BIOS or in OS - you have to look it up based on what your system is.

Once it is off, you may be able to read error message. Similarly, you might also check Event Viewer.

The fact that it runs fine on Safe Mode indicates the problem is software.... probably a rogue program or a corrupted driver.

You may wish to download and run a Rescue Disk from BitDefender http://www.bitdefender.com/support/how-to-create-a-bitdefender-rescue-cd-627.html
 
Tried the Rescue Disk, nothing came up as wrong. Also have already turned off automatically restart on failure but never get any error messages. It just kinda... reboots instantly. Back on main windows and it's restarted twice already. Any other suggestions?
 
You haven’t mentioned your OS or the graphics card that’s fitted. I find that the graphics cards in my desktops don’t last as long as expected even though they are not high powered or used for games. I recently changed my nVidia card after annoying blue screens with the cause being indicated as down to the drivers. Despite a lot of effort I failed to resolve this and my conclusion was that the graphics card is not fully compatible with Windows 10. It's worth removing the graphics card and checking that the cylindrical capacitors have no bulges on top or discolouration.
 
Sorry for taking so long to get back. It keeps saying something about a Kernal process error? I've read somewhere in the event logs that it could be power failure that caused the random reboot. Could my power supply be causing this?

I'm not real sure how to read the event viewer logs. Is it safe to upload the log file here?


Also my OS is Windows 10 and my graphics card is NVIDIA GeForce GTX 770.

Computer stays on perfectly in safe mode while playing games and stays on for a long while in normal boot but when I start a game in normal mode it will randomly reboot after a while.
 
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