Windows 10: Why is my PC constantly Rebooting

My Pc Has been restarting at random for about a month and I've had it for about 2 years without any problems. It doesn't happen when I'm playing games, only when I'm using small applications like Spotify, chrome and other launchers. My screen goes black for a few seconds and then shows my motherboard screen as if I turned my pc back on. I have done numerous attempts to fix it- Malware Test- Check Wiring- Cleaned Inside from Dust- Update Drivers- Attempted a Windows Install Patch There was no Problem FoundAfter each attempt to fix it, the problem goes away for about one day or less. I've rese

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Windows 10 reboots constantly

Original title: Bugcheck reboots constantly on Windows 10 PC

Tried to review the events and dump files but cannot solve the issue.

The PC is constantly rebooting itself.

I have uploaded the minidump here: http://1drv.ms/1PMmKNq

If someone could share some thoughts and suggest really appreciate. Thanks.

 

Computer Constantly Rebooting

The plastic clip that the heatsink latches onto is broken, the heatsink is not seated properly and this is a problem that would need to be fixed regardless if it's the cause of the reboots or not. It's apparently a common problem with the Dimension 2350 according to my Googling.

 

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?