How to check if main GPU chip is dead

Discussion in 'Videocards - NVIDIA GeForce' started by sl4y3r, Jun 22, 2022.

  1. sl4y3r

    sl4y3r New Member

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    GPU:
    Gigabyte 1080Ti
    Hi All,

    I have a Gigabyte 1080Ti that has a short on one of the 12v rails. I want to repair it but before I do want to check if the main chip has been killed due to the short.

    I was gaming and the PC just shut itself off. I have validated with a Multimeter that the short is on the 12v line.

    How can I confirm if the core GPU chip (in the red box :p) is dead? If that's dead i won't bother taking it for repairs.

    Thanks in advance!
     

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  2. Kiriakos-GR

    Kiriakos-GR Member Guru

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    GPU:
    MSI GTX1060 OC 6GB
    This card did not die from gaming.
    Much more than a multimeter needed for such electronics.
     
  3. sl4y3r

    sl4y3r New Member

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    GPU:
    Gigabyte 1080Ti
    Not sure if it died due to gaming, it died while gaming. My ask was to know if I can validate the core GPU chip on there is dead using a multimeter. I understand fixing it will need a lot more skills and tools.
     
  4. Kiriakos-GR

    Kiriakos-GR Member Guru

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    GPU:
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    Did you do any pencil mods or other stupid tweaks on it?
     

  5. sl4y3r

    sl4y3r New Member

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    GPU:
    Gigabyte 1080Ti
    Card was stock. Never opened. PC shutdown while gaming and that was that.
     
  6. Astyanax

    Astyanax Ancient Guru

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    GPU:
    GTX 1080ti
    when 1080ti's go, its usually a vdd rail for the imc, the surge destroys the imc and usually atleast one of the modules.
     
  7. sl4y3r

    sl4y3r New Member

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    Thanks for your reply. Though it's not what i wanted to hear :(
     
  8. AsiJu

    AsiJu Ancient Guru

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    Don't think pencil mods have been a thing since Athlon XP.

    Also hardware will fail eventually.
     
  9. sl4y3r

    sl4y3r New Member

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    Yea that pencil mod statement was an illogical and unnecessary assumption made, not sure why. But yea, as you said, stuff does fail sooner or later.
     
  10. jaggerwild

    jaggerwild Master Guru

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    You need a good card or the schematic.
     

  11. Caesar

    Caesar Maha Guru

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    GPU:
    GTX 1070Ti Titanium
    Where did you find the short? How?

    Measuring SMDs? VRM?

    Give a try by booting the card (nude as per picture) and check if each memory VRAM is hotter than the others......

    Check also the VRMs which one is hotter....

    MIGHT HELP:
     
  12. sl4y3r

    sl4y3r New Member

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    GPU:
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    I used this video to validate the short. On the 6pin and 8pin there should be less than x number of pins that show a full continuity to ground.

    I can't boot the card as the short prevents the PSU from turning on itself.
     
  13. Caesar

    Caesar Maha Guru

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  14. sl4y3r

    sl4y3r New Member

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  15. itpro

    itpro Maha Guru

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    Ask it. All gpus should be AI inside.
     

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