PLEASE HELP! My computer keeps shutting down.

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J_hoff

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Jan 22, 2015
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For the past few weeks my computer has been shutting down at random times. It seems to be increasing in frequency.

I don't think it is a heat issue. I looked at the heat using Speccy after the first dozen or so times, the GPU was the hottest at one point reaching 50 degrees Celsius. I felt the GPU and PSU by hand after it shut down and they were cool. Just to be sure I ran the system without covers on the case and it still shut down.

I then thought it might be a cable issue. So I replaced the main power cable going from the case to the wall and I made sure it had its own grounded socket. It still shut down.

I googled the problem and someone said that it might have something to do with windows recovery automatically restarting on a BSOD. So I disabled that feature. Still no avail.

Here are my specs:
CPU: AMD FX-8320 3.5GHz 8-Core
Cooler: Cooler Master Hyper 212 EVO
Motherboard: Gigabyte GA-990FXA-UD3 ATX AM3+
Memory: Corsair Vengeance LP (2x4GB) DDR3-1866
Storage: Kingston SSD v300 Series 120GB, Seagate Barracuda 1TB 7200RPM
GPU: XFX Radeon R9 280x 3GB
Case: Corsair 200R ATX Mid Tower
PSU: Seasonic 660W 80+ Platinum Modular


Another note:
If I'm charging my phone when it shuts off my phone keeps charging. So I believe that means the main power is fine?
All my fans are working fine- even the one on the PSU

Thanks, any help would be appreciated!
 
Solution
T
That is a REALLY good PSU. I think it has a Warranty still. Random googling claims it has
Limited Warranty period (parts): 7 years
Limited Warranty period (labor): 7 years

Other than contacting seasonic for debugging help, suggest you get into BIOS and let it sit there overnight. If it fails that tells you it is not a windows problem. There are locations you can store into that will cause a power off, so it also might be bad software. (Note if it does not fail in BIOS that does not tell you much, other than the fail is load related).

UPDATE: This is a modular power supply. Make sure the power connectors are well seated at the PSU end.
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perezbros

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Jun 28, 2013
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Stress your components. Prime 95 for cpu, fur mark for gpu, cpuid's hardware monitor to check if voltages are in acceptable range for power supply, memtest for you ram. See if you can isolate the issue that way.

It sounds like a PSU to me. If you can't isolate hardware it may be software. A corrupt os possibly. Back up your data to the cloud or storage and do a fresh install to see if it fixes the issue.
 
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Albionm00n

Albionm00n

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Jan 31, 2016
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Hello!

I agree with Bearmann. This sounds like it might be a faulty psu. It may have enough capability to do some things but not all. How old is the system? It is a decent psu, but maybe it is experiencing issues. If you have another psu (or can borrow one from a friend), I would start there.
 
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J_hoff

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Jan 22, 2015
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I built it all in November of 2014. I guess I'll ask around and see if there's anything with decent wattage that I can borrow.
 
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Albionm00n

Albionm00n

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Hmmm. not that old, but components can be fickle. Yeah, I always like to start with the nuts and bolts troubleshooting first for it can rule out a lot very simply and is usually easier than diggin' into the software side of things. If the nuts and bolts tests provide no solution, then I say dig into the os, etc...but I really don't feel that is the issue. Have you made any changes to the system (overclock, updates, new hardware) recently?
 
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tsnor

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Nov 20, 2008
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That is a REALLY good PSU. I think it has a Warranty still. Random googling claims it has
Limited Warranty period (parts): 7 years
Limited Warranty period (labor): 7 years

Other than contacting seasonic for debugging help, suggest you get into BIOS and let it sit there overnight. If it fails that tells you it is not a windows problem. There are locations you can store into that will cause a power off, so it also might be bad software. (Note if it does not fail in BIOS that does not tell you much, other than the fail is load related).

UPDATE: This is a modular power supply. Make sure the power connectors are well seated at the PSU end.
 
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Solution
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J_hoff

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Jan 22, 2015
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I went into the case and made re-seated every power connection both ways. I also left the case covers off and that includes one of the side intake fans. It hasn't shut off in past day so maybe a cable was out of its seat. I'll keep you guys updated if it continues to shut off at any point.
 
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Albionm00n

Albionm00n

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Jan 31, 2016
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Hooray!! Possibly an even easier fix! That is why I always like to start with the simple, and this was even more simple than I had thought. Great recommendation tsnor! I hope that was all it needed:)
 
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