i9 13900k + NZXT Kraken x73 aio

So I’ve been having an issue recently where my PC struggles with certain games and applications that used to run fine, unless I reduce the processor frequency (using Asus utility) in which case there’s zero crashes. I used to be able to run The Division 2 at max settings no problem, but now it crashes after a few minutes. Same when rendering specific Blender scenes with lots of geometry and volumetrics. Before they would just take a while to render, now they just crash soon after the rendering starts. Most games and maybe like 80% of blender scenes work fine. It’s just the really taxing ones that seem to crash.

One common thing I’ve noticed is that the crashes happen whenever the CPU is in heavy use so all the fans are ramped up, which could maybe suggest an issue with the AIO. But it idles at 35-50c, so why is the aio seemingly working fine there? And why does just the app/game crash but not windows if the processor is overheating?

I’ve not changed anything about the PC. It has the same offset voltage of -.05 that I’ve had for months and pl1&2 limits of 253W. This all just started randomly like two months ago. What I don’t really understand is why lowering the clock speed solves the issue.

Tldr: Games and blender scenes that used to run fine now crash the app, especially demanding games and blender scenes. I’ve tried loading bios defaults, new windows install, repaste. Only thing that stops the crashes is lowering the processor frequency to ~3.5ghz through Asus utility. idk if it’s the processor or something else.

  • bubblesort33@alien.topBEnglish
    1·
    11 months ago

    Processors do wear out over time, but usually not this fast. Might be that undervolt was just barely stable at one point. And maybe even unstable in some conditions you never tested. Now even the tiniest amount of wear, has dropped it below the line.

    Could also be RAM being defective. But that’s usually from factory, not wear in.

  • deTombe@alien.topBEnglish
    1·
    11 months ago

    Could be a power supply issue or memory instability. Just guessing but seems like issues happen when the computer ramps up on power. Limiting the cpu might somewhat elevate the issue.

  • VisualQuick703@alien.topBEnglish
    1·
    11 months ago

    Try all of these in this order:

    Make sure all the wires from the psu are tight.

    Remove the undevolt.

    Remove xmp if enabled.

    Go to the bios and put all cpu and ram settings to default.

    Run ram at 4800.

  • xenocea@alien.topBEnglish
    1·
    11 months ago

    What is the ram profile? Is it set to XMP?

    Try disabling XMP and run the ram at stock to see if there’s any crashes.

    Try moving both ram sticks to the second slots.

    The same thing happened to me when I first got my 13900k. Heavy loads would cause crashes despite temps being fine. Turns out I had to move two of my ram sticks to the second slots for it to be stable

  • gitbse@alien.topBEnglish
    1·
    11 months ago

    Something is up with your setup. Sounds like the undervolt is causing issues, like others have said.

    Idle tempos are great, but what are the temps under hard loading? That’s what matters. If it’s crashing under load, it could be overtemping. Don’t assume your cooler is OK. If it were mine I would take it apart, clean it, and apply a Thermal pad rather than paste. I have a 13900k as well, with a 280mm AIO. I use a contract frame and use a Thermal pad instead of paste. I can run it at 5.5ghz all day long, and even such hardcore games like CB2077 or DCS in VR run in the mid 80s.

  • leandrofresh@alien.topBEnglish
    1·
    11 months ago

    Dont mean to be rude, but its impossible to expect to be helped if you don’t provide cpu temperature at full load…

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    1·
    11 months ago

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  • pickletype@alien.topBEnglish
    1·
    11 months ago

    I was having this issue with a 14900k. I ended up trying literally everything I could, then swapped out my 6400mz GSKILL RAM for my old Crucial 4800mz (on an ASUS z690 board). No crashes since. I think the combination of RAM and 14900k was just too much for my mobo for some reason.