Solved Computer Shutting off Randomly

December 28, 2015 at 21:13:22
Specs: Windows 10, AMD FX-6100, 8gb RAM
Initially, this only happened about 10 minutes after a cold boot. The computer would just shut off. No shutdown dialogue, no error message, nothing. Just shuts off like I pressed the power button. Then, after starting it back up, it would either start up just fine and have no problems for the rest of the day or it would shut off again (either mid boot or after booting up) and then maybe one or two more times after before being fine for the rest of the day. Sometimes when shutting off mid-boot it would give me a BSOD or the screen would just be black. The computer would be on, but nothing would be showing on the screen at all. The mouse and keyboard would not be on, either. Anyways, I looked in the windows event viewer and it doesn't have the event listed as being due to an error or power failure or anything. All it said was "The previous system shutdown at <time> on <date> was unexpected."

However, since last night the problem has changed. Now the computer just shuts off whenever it feels like it. Completely random. Seemingly no rhyme or reason to it. I just recently thought that it might be an issue with the graphics card, considering I decided to open up the chassis and take a look at it while it was running just to see if there was a problem with the fans or something. The fan on the GPU starts, then stops, then starts, then stops, and does this over and over. I've heard that this is not usual behavior for a GPU fan. Though, I'm not so sure now that the random shutdowns is a side effect of the graphics card overheating. When I look at the temps in HWMonitor, the graphics card doesn't get any higher than 65 degrees Celsius when idling. In the event viewer, for some reason the event I had previously listed doesn't even show up anymore. However, I do notice that there seems to be a spam of events listed as Kernel-Power that say "The kernel power manager has initiated a shutdown transition. Shutdown Reason: Application API".

Can anyone make anything of this?

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December 29, 2015 at 02:45:52
Let me go through these logs.

Please download Farbar Recovery Scan Tool and save it onto your Desktop. If your default download location is not the Desktop, drag it out of it's location onto the Desktop.
If we have to run Farbar more than once, refer this SS.
Note: You need to run the version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.
Double-click to run it. When the tool opens click Yes to disclaimer.
Press Scan button.
It will make a log (FRST.txt) on the Desktop.
The first time the tool is run, it makes also another log (Addition.txt).
The logs are large, upload them using Zippy ( No account/registration needed ) or upload to a site of your choosing. Give us the links please.
Instructions on how to use ZippyShare.

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December 29, 2015 at 09:35:47
You mentioned the GPU temp but what about the CPU?

I'm not a Win10 user so I'm not sure if this applies, but on previous Windows versions it was possible to disable the auto-restart feature so that a BSOD would be displayed. You could then use the info on the blue screen to troubleshoot the problem.

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December 29, 2015 at 18:18:33
✔ Best Answer
I think I figured out what the problem was but I'll post it here just incase anyone is browsing the internet looking for a solution to a similar problem. It turns out that the GPU was actually getting really hot, according to HWMonitor. I noticed that the computer would never shut off if the GPU temp was below 100 degrees celsius. Every time without fail, whenever the computer shut itself off the GPU was above that temperature. I just got a new graphics card and I'll let you guys know if the problem persists.

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