Windows 8 and 8.1 Forums

PSU dying? (Video)

  1. #31


    Posts : 27
    Windows 8.1 Pro X64


    Forget about the power saving settings disabled, it shuts down anyway, very unstable, it annoys me, sometimes it keeps up, and sometimes it shuts down immediately. BTW, I've just performed a RAM test using windows tool, and it shuts down on 50% approx.

      My System SpecsSystem Spec

  2. #32


    Wynnum Australia
    Posts : 466
    Windows-10-Pro-Build-11099.rs1-x64


    Quote Originally Posted by blz View Post
    Forget about the power saving settings disabled, it shuts down anyway, very unstable, it annoys me, sometimes it keeps up, and sometimes it shuts down immediately. BTW, I've just performed a RAM test using windows tool, and it shuts down on 50% approx.
    I would download Hiren's Boot CD and run some further tests in DOS-Mode, like Memtest etc.pp.: Click

      My System SpecsSystem Spec

  3. #33


    Posts : 27
    Windows 8.1 Pro X64


    Ok, now it shuts down when I'm doing any changes on BIOS, sometimes it shuts down right after POST, sometimes it never shuts down and passes intel and prime95 tests, it's driving me crazy, I think the VR is faulty, MOSFETS may be overheating/overvoltaged and protection kicks in. What is weird is that it only crashes under CPU load. Yesterday I've tried doing light OC, 3ghz performed the prime95 blended test for 10 minutes. It is definitely an intermittent problem. I think I'll get a multimeter, that's the only way to test things properly.
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  4. #34


    A capacitor, coil in VRM section ? They like to make intermittent short.
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  5. #35


    Posts : 27
    Windows 8.1 Pro X64


    BTW, you can find some pictures here, can you notice anything unusual?

    https://www.dropbox.com/sh/ezb5ecdtk...Nfhzzklla?dl=0

    The X58 looks discoloured...
      My System SpecsSystem Spec

  6. #36


    Little blemishes like that on the back of MB you can find even on brand new, never used boards. What looks bad is contact between NB and it's cooler. Like it's not covering whole surface or is bent.
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  7. #37


    Posts : 27
    Windows 8.1 Pro X64


    The NB temperatures vary between 45 and 52º, I'm using the NZXT Sentry temperature sensors to monitor temps. BTW, I've just performed a memtest86, and it crashed before reaching 50%, if I use only 1 core, it crashes, but takes a bit longer than usual to crash. Another ridiculous thing is that I was on BIOS to disable C1E and it crashed anyway, not always has to do with CPU load. Now I just need to know if the problem is on the MB or the CPU.


    UPDATE: It has passed a memtest86, however it crashed on a 2nd test...
    Last edited by blz; 13 Sep 2014 at 11:50. Reason: Update memtest86
      My System SpecsSystem Spec

  8. #38


    It all points out to PVR, if you ask me, or just maybe with CPU itself although it's probably most resilient part of all. Unfortunately without some sophisticated testing equipment, only part changing can tel you exactly what's happening. Memory controller is on the CPU so troubles with memory may start there.
      My System SpecsSystem Spec

  9. #39


    Posts : 27
    Windows 8.1 Pro X64


    UPDATE: Video added to dropbox folder*, please check if voltages are correct, as you can see on video it crashes roughly 45s after starting the test. Now I've noticed that when it crashes the NB overvoltage LED indicator (red) blinks exactly when the MoBo is powered down. Green and yellow do not even come on.

    *https://www.dropbox.com/sh/ezb5ecdtk...Nfhzzklla?dl=0
      My System SpecsSystem Spec

  10. #40


    Wynnum Australia
    Posts : 466
    Windows-10-Pro-Build-11099.rs1-x64


    Beside the blistery looking CPU it doesn't look too bad, even that the soldered spots on pic 3 are not very nice.

    The temps and voltages look ok to me, but you should show us the voltages from the sensors part, because we can't see how the PSU-Voltages look like.

    Without swapping parts it will be hard to pin-point it, but it still looks like PSU or CPU or MoBo.

      My System SpecsSystem Spec

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PSU dying? (Video)
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