Is this a bad GPU?

Discussion in 'iMac' started by edry.hilario, Jan 21, 2015.

  1. edry.hilario macrumors 6502a

    Aug 1, 2010
    Hello everyone,

    I'm having a weird issue where my late 2012 iMac exhibits weird glitches (image below). It doesn't happen very often but when its starts to happen, it really goes crazy for a while. I also noticed things like quick preview and premiere pro like induce this issue. It seems to me like every time the gpu is require to do a hard tasks it craps out. Has anyone experienced this? would you say its a bad gpu?

    Screen Shot 2.png
  2. maflynn Moderator


    Staff Member

    May 3, 2009
  3. keysofanxiety macrumors G3


    Nov 23, 2011
    Yep, it's definitely a GPU failure. To fix it'll need a replacement Logic Board.

    Is your iMac still covered by AppleCare? If you're not sure, you can check by typing your serial number into this website:
  4. Georgio macrumors 6502


    Apr 30, 2008
    Essex, UK
    100% cooked GPU...not good I'm afraid.

    Which GPU is it?
  5. edry.hilario thread starter macrumors 6502a

    Aug 1, 2010
    It's NVIDIA GeForce GTX 680MX 2048 MB

    Thank you guys! I guess the good thing is that its still covered by applecare.

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4 January 21, 2015