12th gen issue

UrBaN963

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Need help as I'm at my wits end.

My brother has built himself a new PC and it's behaving strangely.

Gigabyte B660 Gaming X
Intel Core i5-12100F (stock cooler)
2x8GB G Skill DDR4-3600 CL16
RTX 3080
512GB NVME
Windows 10 & 11 (multiple reinstalls, Windows 11 currently)

The PC runs stably for hours at a time, however, with each install there has been random blue screens with varying errors. These include:
system service exception
page fault in non-paged area
PFN_List_Corrupt
IRQ not less or equal
kernel mode heap corruption

Another oddity is running sfc /scannow, it'll complete but then say it found corruption but was unable to fix it.

Running DISM /Online /Cleanup-Image /RestoreHealth fails as it fails to locate the source files. Mounting the ISO and forcing it to use that location as the source still fails.

So there's clearly corruption. This is often displayed in game (Tarkov and DayZ) but also at times just on the desktop. Example, DayZ downloaded overnight. PC is fine. Click OKay or whatever the button is, PC crashes.

I've tried re-downloading ISOs for the boot disk, reinstalling (about 5 times so far), various drivers. Tried RAM at XMP and at stock. Tried RAM in different slots.

I'm leaning towards a RAM issue, but not 100% certain of that. MEMTEST is next to try, but I'm also just looking for advice on other things to try. This is my first interaction with 12th gen so possibly there's a BIOS setting I can change/set or something else that may be the culprit, short of failing hardware?

Any suggestions would be welcome.
 
It's a bit weird you're experiencing corruptions with sfc so soon after an install - what's the drive report under SMART?
Next step would definitely be memtest, then perhaps a GPU memtest.
 
It's a bit weird you're experiencing corruptions with sfc so soon after an install - what's the drive report under SMART?
Next step would definitely be memtest, then perhaps a GPU memtest.
Brand new drive, reporting as healthy. The corruptions is why I'm leaning toward a RAM issue, the errors are all RAM-related.

MEMTEST is the next thing to do yea. That and maybe voltages on the RAM.

BIOS updated?
Yea, running the latest (F5).
 
Edit 1: NVM, you did test XMP...

Next try: Is the CPU's voltage set correctly. Some Motherboards allow you to choose a "fail safe, default, optimal" setting. I've seen CPUs not behaving so reliably when using "Optimal" (effectively using a lower voltage)

Edit 2: Have you tried only using one RAM stick at a time?
 
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