Non-reproducable random shutdown crash - Need Help!

ansin11

Reputable
May 19, 2016
5
0
4,510
I built this system (specs below) almost a year ago and use it for high-end gaming, surfing and coding. It usually runs for ~8h per day. I never experienced issues like this one, so here goes:
At some point, the PC will just shut down like the power has been cut. This is pretty random. After that happens, the PSU must be switched off to empty all circuits and only after that the system can boot again. But once the crash happened, the system becomes highly unstable, likely to crash in the same manner again within minutes. The occurance of this shutdown crash is not tied to some activity, I have experienced it during the reinstall of Windows, while I was shutting down the PC, idle in the browser, TS, R6 S, desktop but never while in BIOS.

Troubleshooting I have done so far:

  • ■ Checked my update history but didn't find correlations to the crash (the first one was about a week ago).
    ■ Left the system idle in BIOS for 15h. The PC has never been left running for so long and I wanted to test for hardware issues like voltage or component failure. Well, it did not crash, however, when I checked it the next morning, after not having touched any input device for ~10h, many buttons in the BIOS had become unusable and I had to shut down the system by holding down the power button.
    ■ Ran a full malware scan with McAfee, nothing to report here.
    ■ Reinstalled windows. Experienced a shutdown crash in the high 90%s.
    ■ The crash does not produce a bluescreen or a dump file.
    ■ Windows' event protocol refers to the shutdowns as a Kernel System Power Error 41 (PID 4 [a system process controlling and managing the data], TID 8), none of the results I checked on google matched my case.
    ■ I observed the PSU's heat state to see if it is overheating, all nice and cool there.
    ■ Uninstalled and reinstalled graphic drivers.

Now it might be my OS SSD causing the crash (as it seems to be caused or reported by PID 4) as this was the only drive connected to the MB while reinstalling windows (because I have no intention of reformatting the other drives) and it is not really used when I enter BIOS and thus can't cause a crash there. Also hinting toward SSD failure: after one of the first crashes windows asked me to repair a drive upon boot, it then proceeded to repair something on C:, which is the SSD. However, after that, some data was corrupted; at least my windows start menu items were displaced and some resized.
But that might as well be caused by the shutdown following another component's failure...
But it might as well be anything else if it's a voltage problem, and in that case, I have no clue how to find out what is causing this. Warranty is still active for all parts.

Specs:

  • ■ CPU: FX-9590 (4,7GHz, Turbo Mode disabled for cooling and energy reasons)
    ■ Watercooling: Thermaltake Water 3.0 Performer C
    ■ GC: R9 295X2
    ■ MB: Asus Sabertooth 990FX R2.0
    ■ RAM: 16GB HyperX Fury (1866MHz)
    ■ PSU: Toughpower XT Gold 1375W
    ■ One SSD for Windows 10 and two HDDs for stuff

I could really use some help...


Update:

Today, with the reinstalled instance of windows 10, the system freezes in whatever view / process it's in until manually shut down by holding the power button. Windows event protocol refers to these freezes in the same way as before, Kernel System Error 41 (PID 4, TID 8).
I also checked the SMART status of all three drives, all were listed as OK.

Now it's a mix of freeze and hard shut-down crash, sometimes this, sometimes that. I am almost certain that the issue is related to the SSD. Will run further tests regarding that.
 


Couldn't get my hands on some spare hardware for testing yet, will have to ask a friend if I can borrow his PSU and GPU...
I did test the voltages coming out of the PSU, it looked like it should and it's not overheating either.