Nvidia GPU gives error 43 and I am unable to fix it. Which part is broken?

Discussion in 'MSI' started by onurtag, Jul 13, 2017.

  1. onurtag

    onurtag Notebook Enthusiast

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    EDIT: My gtx 780m was dead and I upgraded to a 980m.

    Let me start with telling the whole story of this situation.

    I have a 4 years old GT70 2OD with an Nvidia GTX 780m gpu.
    4 days ago, I left my pc with a game on main menu to get some meal.
    When I came back, the pc was on lock screen and after I checked the windows event viewer I learned that it BSOD'd with the error "nvlddmkm.sys".
    After that, I opened up my game again and after half an hour or so I got the same "nvlddmkm.sys" error once again. I gave it another try and got the same error one last time.

    Googling the error I decided to reinstall my nvidia drivers.
    I succeeded on reinstalling the drivers and after the compulsory restart I got my first error 43. (Windows has stopped this device because it has reported problems. (Code 43)")
    When I try to open the nvidia control panel I get a "You are not currently using a display attached to an NVIDIA gpu." error.

    What I have tried:
    • - Reinstalled Nvidia and Intel GPU drivers in different orders more than 10 times. Tried using Display Driver Uninstaller many times too.
    • - Reinstalled (clean, without any files left on C) windows 10 creators update and got the default drivers from windows update.
    • - Removed the MXM gpu board from the motherboard and put it back.
    • - Reinstalled (clean, without any files left on C) windows 8.1 using an iso and installed the supported drivers from the msi support page.
    • - Flashed the gpu bios backup that I had using nvflash.
    • - When I was planning to post on related forums about my problem, I noticed that the MSI Helpdesk application was unable to detect my EC firmware version and serial so I reflashed the latest EC firmware and did an EC reset (removed battery+cable for 5 mins).
      This brought back the EC version to the MSI helpdesk application but the serial number was still FFFFFFF.

    With that last point, I am now suspicious that the problem might not be with the GPU after all.
    If it was just a broken gpu, I was planning to get a GTX 980m and upgrade but the computer is able to detect the plugged in GPU as a 780m and not as a random PCI-E card.
    But now that I don't know what is broken, I am unable to do anything as I don't want to trash a working GPU and my money.
    What can I do about this?


    Information:
    MSI helpdesk output (bios & ec versions, installed programs etc.): https://pastebin.com/TdxPT4Jb
    Screenshot album of gpu-z, device manager error 43 and "You are not currently..." error: http://imgur.com/a/GL6s8

    Tomorrow when I'm back from work I'm planning to completely disassemble and reassemble the whole pc.
    Maybe that will work. Hopefully.
     
    Last edited: Aug 13, 2017
  2. Kevin@GenTechPC

    Kevin@GenTechPC Company Representative

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    This type of issue can be either GPU or motherboard. So if GPU is working but not the circuit on the MB then symptom will persist.
     
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  3. onurtag

    onurtag Notebook Enthusiast

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    Thanks for the answer.
    I decided to send it to msi support as I can't be sure which part is broken yet.
    At worst I'll just pay the diagnostic money and get my notebook back to do the repair myself.
     
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