Mid-2011 iMac Glitches

Discussion in 'OS X Yosemite (10.10)' started by monaarts, Oct 17, 2014.

  1. monaarts macrumors 65816

    Joined:
    Jan 16, 2010
    Location:
    Kennesaw, GA
    #1
    Hi all,

    I wanted to see if anyone else was having the same issues I'm having. Ever since upgrading to Yosemite I occasionally see "glitch boxes" throughout the screen (something similar to the screenshot posted, just not windows. haha) Sometimes it is there and sometimes it isn't. It's really agrevating!

    Anyone else seeing this?
     

    Attached Files:

  2. uberjason macrumors member

    uberjason

    Joined:
    Apr 27, 2007
    Location:
    Woodbury, MN
    #2
    Same issue on Mid 2010 iMac 27in.

    Did it in all the beta's, and now in Release. I can change the desktop background or switch to dashboard and it cleans it up, but the "artifacting" returns. It appears to be hardware related, however upon going back to OS X 10.9 Mavericks the issue disappears. Upgrading to Release 10.10 or doing full install of 10.10 and the artifacting returns. It must be something with core graphics.

    -Uberjason
     

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