Computer turns off by itself (then reboots)

gasguirre · Jul 8, 2016

Hello, so the problem I'm having is that my pc turns off without any notice by itself, sometimes it reboots automatically, sometimes it starts trying to boot but then restarts (video of it) I have to turn off and on the PSU and then it boot properly. I have done the windows memory check.

please let me know how could I do to know what is happening, here is my setup and the video:

GPU: GeForcer GTX 980 ti (matrix)
CPU: core i7 5930K at 3.5 GHZ
Memory: 16.00 GB Hyper X predator
Current resolution: 2560*1080, 144hz
gpu driver: 365.19
OS: windows 10 pro.
Motherboard: MSI X99 - SLI Plus
HD: Samsung EVO 850 SSD 500GB (2 of them running in raid 0)
PSU: Corsair AX 1200W 80plus platinum

video showing the rror when trying to boot after it crashes: https://youtu.be/XoAKKKQY2qU

scout_03 · Jul 8, 2016

could it be that you ssd raid fall off do you have another hdd with a os on to made the test for start up .

gasguirre · Jul 8, 2016

the ssd shows to be healthy. is there any test I can run to take it out as a possible issue?

scout_03 · Jul 8, 2016

another sdd or hdd in the system with os also the psu do you always have to power it up from the switch ,leave it on and unplug ths case power connector then momentary short the 2 pins on the board and see if system will start and stay on .

gasguirre · Jul 8, 2016

scout_03 :

I can power it up from the switch, or shortening, or there is a button on the motherboard, it turns on fine, only when does the error I have to turn off the switch to stop the boot loop when trying to boot up

scout_03 · Jul 8, 2016

so try to use the 2 pins on from power switch to case not the one on the board to see if front panel switch is not short ,for the loop could be a missing boot file in raid .

gasguirre · Jul 8, 2016

Also I just ran diagnostic for SSD https://i.imgur.com/rJwEqSs.png

scout_03 · Jul 8, 2016

what you see if you use the samsung ssd tool , if ssd are ok the i would recheck cable and you do not have anything that could made a short between case and board like a forgotten screw or back cpu plate that touch the case frame .

gasguirre · Jul 8, 2016

scout_03 :

I have checked for that, I don't see anything that could be causing a short.. you think that might be the cause? a short or the SSD?

scout_03 · Jul 9, 2016

did you try another psu since you test hdd , it could be the one .

gasguirre · Jul 9, 2016

scout_03 :

I'm actually in the process of testing another psu, I bought this morning a corsair VS550 and it has been doing great since, I would like to test a bit more, cause the shutdowns were erratic and sometimes I had an entire day without them, but I'm going towards the PSU being the problem. I'll test is a day or two more and I'll update

scout_03 · Jul 9, 2016

since you had to play with the switch i will tend to go for psu issue .

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Computer turns off by itself (then reboots)

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