MemTest80 giving errors, I had weird display earlier

[Samhfx]

So today when I booted my PC I noticed text on my monitor was weird and glitching, like letters were missing. also when i alt tab onto discord boxes would appear flashing top right of my monitor.


i unplugged the cable and put it back in and it said something about gpu driver error, i had to install latest driver again and it seems to be ok now.

missing text - https://imgur.com/a/Ec50WCg

i was told to run a test for possible VRAM problem and now I'm scared. I ran MemTest80 because apparently it tests my GPU and I had so many errors I nearly had a panic attack, I really can't afford new PC parts.

started fine - https://imgur.com/a/C60lXfx
errors - https://imgur.com/a/kja2WiC

 

[Samhfx]

Was that via a print screen or photo? If print screen then yeah it's a a possible gpu failure but if via photo then it could be something as simple as a bad hdmi or displayport cable. It's worth changing the cable first if you have access to another one

I used print screen. i'm dumb, whats the difference between print screen and photo? Games seems to be working fine I just don't understand, did I maybe put the wrong commands in for that tool to get those errors? I get stutters when my frame rate drops in games sometimes but nothing bad is happening? That artifacting thing has happened two times in a few months.

 

[Samhfx]

Nah you're not dumb and print screen should help pin point if the issue is in the cable or your monitor vs your PC or gpu.

If you could print screen the artifacts then that should mean it's a driver, gpu or a system issue. I'd go with a reinstall of the latest gpu driver and see how it goes, but looking at your test results the errors kick in between 15 and 16 iterations. This could mean the VRam is overheating and not cooling as well as it should be.

An easy thing to check is, is the gpu fan is working perperly? I'm guessing yes but you could try running those tests again from cold, use gpu-z (or something similar) to monitor your gpu temps and if the errors kick in when the temps are high then this could be the issue.

Solutions if it is would be replace thermal pads, undervolt gpu or overspeed the gpu fan etc but try the test again with the latest drivers and from a cold boot and let us know.

I just turned on my PC at ran the test with GPU-Z open, this time the errors came quickly? https://imgur.com/a/JhFxJF9
My temps have always been fine. I actually deep cleaned the PC yesterday after the artifact/glitch happened. My CPU cooler had the most dust but everything else was fine.

I've used DDU probably 5 times this month. I had stutter in game thought it was driver related. I did it again last night after posting this thread still the same.

I ended up downloading a different program which is suppose to be better. I didn't let it run for the full 1 hour yet but here is the result - https://imgur.com/a/WAUP0Nl
0 errors in 10mins, I will run the full 1 hour but I need to know if I can use my PC whilst it's running