Question Constant BSOD issues. Replaced most things. Bad CPU/GPU?

[Parabolee]

My GF had a PC built for her a few years ago and after a month she started getting a ton of BSOD errors. These are the assorted errors she gets -

Driver overran stack buffer
Irql not less or equal
Kernel security check failure
System service exception
Kmode exception not handled
Driver irql not less or equal
Apc index mismatch
Kernel lock entry leaked on thread integration
Attempted write to read only memory

I have replaced the RAM, replaced the motherboard, tried multiple different hard drives and re-installed Windows many times to no avail.

Am I looking at a faulty CPU or GPU? I don't see what else could be the problem?!

I can't even tun any tests as it BSOD even in safe mode after a few minutes.

Thanks!

 

[Colif]

What are specs of PC?

try running Prime 95 off a USB
Prime 95 Bootable - https://www.infopackets.com/news/10113/how-fix-bootable-prime95-stress-test-hardware
Prime 95 Instructions - https://appuals.com/how-to-run-a-cpu-stress-test-using-prime95/

it will test CPU, RAM & PSU. It runs for 17 or so hours, if it crashes it will create a report... though not sure where it puts it if you run off USB. Would be called results.txt

most of those could be software but I doubt that over a few installs unless its something like a WIFI dongle.

 

[Parabolee]

What are specs of PC?

try running Prime 95 off a USB
Prime 95 Bootable - https://www.infopackets.com/news/10113/how-fix-bootable-prime95-stress-test-hardware
Prime 95 Instructions - https://appuals.com/how-to-run-a-cpu-stress-test-using-prime95/

it will test CPU, RAM & PSU

most of those could be software but I doubt that over a few installs unless its something like a WIFI dongle.

Yes and I removed the wifi card too, same errors. Reinstalled Windows without them, same errors.

Really think it has to be a CPU or GPU issue at this point.

I'll have to try the Prime 95 at some point. Thanks

 

[Colif]

Prime is only CPU test I know of that can be run off USB. The Intel tester needs windows to work.

I doubt its GPU, those aren't common BSOD codes I see tied to GPU drivers recently

Have you tried running off an Ubuntu Live USB, it could show you the cause. If you get Kernel panics, there is a good chance its the CPU - https://ubuntu.com/tutorials/create-a-usb-stick-on-windows#1-overview