Something is very wrong with my GPU

Discussion in 'MacBook Pro' started by henrikrox, May 25, 2013.

  1. henrikrox macrumors 65816


    Feb 3, 2010
    After installing the latest geforce drivers

    I tried dota 2, and i had like 10 fps, i loaded up a onscreen display to found out my GPU was stuck at 225mhz clock.

    When it supposed to be 900.

    Its not warm at all, 60 degrees.

    Tried PRAM reset.

    Heres a pic from nvidia inspector, notice it says invalid bios?

    Attached Files:

  2. duervo macrumors 68020


    Feb 5, 2011
    Try PRAM reset again. Sometimes the attempt won't register for some reason. I've had to try a reset up to three times on occasion for things to finally go back to normal.

    Also, it's probably SMC reset that you want to do (again, sometimes you have to try it a few times before it resets.) PRAM reset probably isn't going to affect your issue at all.

    If that doesn't do it, then I agree ... something is very wrong with your GPU.
  3. maflynn Moderator


    Staff Member

    May 3, 2009
    Perhaps its the drivers and not the GPU, i.e., software instead of hardware. Looks like you're talking about updating the windows video drivers. Downgrade those and see if that fixes it.
  4. dusk007 macrumors 68040


    Dec 5, 2009
    I had a similar issue with some failed driver installs. Or just some broken non compatible drivers. Got resolved by reinstalling different drivers.
  5. justperry macrumors G3


    Aug 10, 2007
    In the core of a black hole.
    A SMC reset is not recommended to be reset multiple times, apple does not recommend this, PRAM/NVRAM is no problem though.
  6. Giuly macrumors 68040


    Boot OS X, set the volume low. You know the reset was successful when the chime is loud as the volume is stored in the PRAM.
  7. Pentad macrumors 6502a


    Nov 26, 2003
    Can you cite a source on this? I have never heard of this and am skeptical of your post. Apple has had me reset the SMC multiple times on past MBPs and many have posted here they reset after a certain event to play games in Bootcamp.

    I thought there was a post from Apple that recommended resetting the SMC anytime games in Bootcamp were getting low FPS. I can't find the source now so I could be wrong about this.

    I am not saying that I'm right but I find it hard to believe that resetting the SMC could 'damage' your MBP. I would be interested in more information on this.

  8. justperry macrumors G3


    Aug 10, 2007
    In the core of a black hole.
    Not exactly saying they recommend not to reset multiple times but they do say this:

    Intel-based Macs: Resetting the System Management Controller (SMC)

  9. makaveli559m macrumors 6502

    Apr 30, 2012
    Turn the gpu off for a few seconds on device manager than turn it back on. ITs a glitch with the Nvidia drivers no matter what driver you have on Mac.

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