Random losses of power

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Approx. once per day my PC just shuts off as though I've hit the reset button.

It's not heat-related (as far as I can tell).

What the best way of trying to diagnose this?

Apologies if this is not the correct forum for this.
 
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Ok, the Event Viewer is showing a **** ton of events... is there a way of sharing this with you guys?

Here's a snapshot, but the list is massive...


They appear to be happening constantly
 
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Ok, the Event Viewer is showing a **** ton of events... is there a way of sharing this with you guys?

Here's a snapshot, but the list is massive...


They appear to be happening constantly
Yes there will be thousands of events, the OS is recording everything from network connections to USB events, drivers loading, system clock changes etc etc.

That is a lot of red though... Look for the spate of events right after a crash, and just before. Stuff like "kernel power"
 
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Can you just show us a snapshot of one WHEA logger and one SChannel? They're probably all the same.

Generally speaking, you shouldn't be getting WHEA entries in a stable system, but let's see what they say first.
 
You may also find that the Windows Hardware and Device Trouble Shooter may help.

Just go to the Run Prompt (Windows Key -R)

Type in the following:
msdt.exe -id DeviceDiagnostic

It will bring you to the Hardware and Devices Troubleshooter.

Click on Advanced Menu and deselect "Apply Repairs Automatically" just so you can report back what it found.

You can always rerun it to fix things but gives us an idea of what is happening before you do so
 
The Schannel errors indicate a TLS configuration issue which, whilst it should be resolved, is not critical.
The WHEA errors are possibly the problem - 19 probably refers to the CPU. Check that the CPU-related SBIOS settings are default/auto.
 
You may also find that the Windows Hardware and Device Trouble Shooter may help.

Just go to the Run Prompt (Windows Key -R)

Type in the following:
msdt.exe -id DeviceDiagnostic

It will bring you to the Hardware and Devices Troubleshooter.

Click on Advanced Menu and deselect "Apply Repairs Automatically" just so you can report back what it found.

You can always rerun it to fix things but gives us an idea of what is happening before you do so
Some Citrix-related stuff, but that's it. Doesn't seem likely to be the cause??
 
The Schannel errors indicate a TLS configuration issue which, whilst it should be resolved, is not critical.
The WHEA errors are possibly the problem - 19 probably refers to the CPU. Check that the CPU-related SBIOS settings are default/auto.
You say that but the fault posted showed it as "Fatal" so would that not have led to a blue screen? Mine are usually APIC related and I adjust voltages up slightly on the highlighted core (I undervolt)
 
WHEA


Schannel
That WHEA error shows the problem is on your first thread either shown in BIOS as Core 0 or Core 1.

They generally show two threads per core working like this assuming it starts at Core 0:
0-1 - Core 0
2-3 - Core 1
4-5 - Core 2
6-7 - Core 3 etc until 14-15 on Core 8

If your BIOS shows cores as 1-8 (or 1-6 or 1-16 etc), it then follows:
1-2 - Core 1
3-4 - Core 2 etc


Just look in your BIOS for what it names the first core (0 or 1) and then work your way down to discover which core is causing the instability issues. Perhaps up the voltages by adding one "+" to that core, save and reboot and run it for a while to see if it resolves the issue. You may have more than one unstable core (especially if you ran high voltages when you overclocked) and when you fix one, a different one may show up. Just add a "+" to that one. Rinse and repeat until hopefully your issues are resolved.

FYI, I think each "+" in your BIOS (I am using ASUS) adds 0.0125mv so use that as a benchmark.
 
Another thought assuming you are comfortable with EXCEL, is to use HWInfo64 to log your system noting where you save the file. When you get a system crash, open the .csv up in EXCEL. The last line logged should show you the problem in Core 0 - 15 (I now note you have a 5950X). However, you can also use "Conditional Formatting" to highlight values falling significantly above or below a figure (let's say <=1.1V and >=1.36 as an example)

Good luck and report back
 
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