PSU Cycles power on and off, infinite loop. with Random shutdowns...

offen

Prominent
Nov 30, 2017
4
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510
So, at first I had no problems, I shutdown my PC almost every day before heading off to bed, when I came back from work the next day I usually turned it on. It was working perfectly.
Then one day I came to turn it on it turned off instantly and it didn't react to the power button at all, I had to unplugg the power cord for up to 10 minutes before it I could try and turn it back on. And that worked usually. Then I lived with this issue for half a year or so,
Changed almost everything hardwarerelated in hopes of fixing the issue.

The last thing I tried was changing the PSU because it was more than 5 years old and the only thing I had not changed except the Mother board, since the motherboard was somewhat new already, and didn't have any issues with it before. New PSU actually fixed the issue for quite some time. But after a few months of turning it on/off every day, one day the infinite loop started happening.
The workaround I found myself was to unplugg everything from the PSU hold the self test button on the PSU for a few seconds, then replugging everything, and pray that it wouldn't start looping.
If it didn't loop I let the PC stay on, I didn't turn it off for weeks, it worked Perfectly, I only did a Restart every now and then for updates etc. No problems what so ever, unless I accidentally shutdown instead of restart, the whole loop started again, and I had to do the whole unplugging procedure again to make it work.

2 days ago I accidentally shutdown instead of restart after it being on for maybe a few months without any issues. I went to bed and expecting the loop to start the next day, and it sure did, except every time I did the workaround and managed to boot up, it was a gamble on how long it would stay on before it would shutdown again. When I finally thought it would stay on because it hadn't turned off Randomly within the first 5 minutes of playing Tekken 7, I played for an hour or so, exit the game, watched a movie on netflix, turned on a different game, played that for 20 minutes or so before the PC randomly shutdown again and loop started.

I have checked the temperatures many times, they are well within range of optimal.
I've tried booting with only one memory, unplugging everything except the most critical components to see if I even get to the POST etc. etc.
This issue is truly going on my nerves. I'm still trying to figure out what could cause this sort of behaviour. Is it another bad PSU? or is it the motherboard bothering my PSUs?

I read another thread that had a similar issue: http://www.tomshardware.co.uk/forum/333044-28-help-computer-power-cycles-nonstop

I also have a Gigabyte motherboard. So I've started wondering if this is a normal issue with Gigabyte boards or something. But my MB was working fine for over a year without any issues.

This is my MB: https://www.gigabyte.com/Motherboard/GA-X99-UD7-WIFI-rev-10#ov
 

offen

Prominent
Nov 30, 2017
4
0
510
Operating System: Windows 10 Home 64-bit (10.0, Build 15063) (15063.rs2_release.170317-1834)
System Manufacturer: Gigabyte Technology Co., Ltd.
BIOS: BIOS Date: 06/08/17 10:41:55 Ver: 05.0000B
Processor: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz (12 CPUs), ~3.3GHz
Memory: 16384MB RAM
Available OS Memory: 16286MB RAM
Page File: 8235MB used, 10481MB available
GPU: NVIDIA GeForce GTX 970 Gigabyte windforce (not OC version).
PSU: Corsair AX860i

1 SSD for OS
1 SSD for Games
1 HDD for Random

EDIT: I just found this thread on the Corsair forums http://forum.corsair.com/v3/showthread.php?p=787163 I'll think I gotta have a more detailed look into that.
 

offen

Prominent
Nov 30, 2017
4
0
510


Yes, updating bios was part of trying to fix the issue. But I've found out that there are others with the AX860i that have the same problem. Like this one: http://forum.corsair.com/v3/showthread.php?t=170975

And here is another one from this site aswell with the same PSU: Starting to suspect the PSU more and more. http://www.tomshardware.co.uk/answers/id-3296738/random-shutdown-infinite-boot-loop.html