Please Help Me Diagnose Whether The RAM or GPU Is Faulty

Hi,
I've got some issues with the PC I built last year - there are some graphical artefacts (purple trees, flickering textures etc.) sometimes when I play a game, the PC sometimes freezes when running a game (the whole screen freezes and the PC is totally unresponsive bar the mouse cursor, although no BSOD) and I sometimes get an 'out of memory' error and the game crashes. Would this be a symptom of a faulty GPU or RAM?
Thanks.

Comments

  • Try testing your RAM.
    Windows 10 has an inbuilt memory diagnostic tool
    More details here)

    • I've just run it, and it says that there were no problems detected, although I feel like the test was to quick for running a comprehensive test on all 16GB of my RAM

  • +1

    Sounds more like a memory leak in some application.
    Run the diags, remove unknown (maybe free/purloined apps) and try game again.

  • +1

    The obvious would be to re-insert both RAM and GPU. Could try a stress test on both parts to see if anything comes up, could also be a faulty PSU.

    Could you also state your ram, its speed, and also your motherboard specs? Could also be compatibility issues.

    • My first guess would be PSU becoming unstable. OP - what’s the PSU rating and your PC power consumption?

    • +1

      My RAM is Crucial Ballistix 3600MHz CL16 2x8GB, and my motherboard is a Gigabyte B550 Aorus Elite AX V2. My PSU is the NZXT C750

  • +1

    to me it sounds like vram unstable/overheating (graphical artifacts are usually related to vram errors)- first try a clean install of GPU drivers with DDU, then if that doesn't help try underclocking the vram in msi afterburner

  • Would be unlikely to be hardware, unless you have some reason to think it is (like all was well until you upgraded both last weekend). Even then, I’d start with graphics driver updates!

  • both are bad, buy a new one.

  • +2

    Run Memtest, leave it running overnight.

  • Honestly could be either. only way to know for certain is to do a replacement test trying to isolate the problem part.

  • test your gpu under load with prime 95 set it to run for 20 mins and have some program monitor the gpu temps if it hit the max and artifacts then the gpu needs better cooling, like remove fans, clean dust and put new thermal past on the gpu chips

  • Is the BIOS up to date?
    What GPU have u got?
    Did u OC anything?
    What was the last thing u did b4 it started to do this?
    Can u do a system restore?
    Is the RAM on the Mobo's approved list?
    Can u upload a picture of the problem?
    Does it do it more when the PC is hot or does it do it anytime?

  • I had terrible trouble diagnosing (b450 tomahawk max, AMD 3600, crucial 3600cl16) random BSOD, a host of memory errors, pc freezing but mouse still moving etc.
    After much testing and replacing/borrowing new components it turned out it was a faulty CPU.
    I've never had a faulty factory CPU before! AMD RA and paid postage back to Singapore and new one is stable as a rock.
    Good Luck!

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