New 2011 Mini With AMD Graphics, Intermittent Display Wrinkle

Discussion in 'Mac mini' started by Fissure, Aug 1, 2011.

  1. Fissure macrumors 6502

    Jul 28, 2010
    Hooked up via HDMI to a Dell U2410 Monitor, stock Mini.
    Every now and then regardless if I'm in OSX or Win 7 via bootcamp the display throws a blurry line through the screen. The line goes across the whole screen and is maybe a couple inches thick. It happens maybe a couple times a night and it's not a load based issue as it does it just sitting at the desktop in the OS.

    Anyone else experience this?
  2. indg macrumors 6502

    Feb 7, 2007
    power drain? your monitor may not be getting enough voltage. check a/c, appliances, power strip, etc.

    interference? check cables.
  3. SergeSF macrumors newbie

    Aug 2, 2011
    Native resolution

    What is the native resolution of your monitor and what resolution is set in OSX Settings?
    Probably monitor is 1980x1200, but you've selected 1980x1080 (1080p) in OSX Display Settings, so vertical blurring appears.
  4. Fissure thread starter macrumors 6502

    Jul 28, 2010
    Dell U2410 monitor, max res is 1900x1200, that is set in OSX as well.
  5. YanniDepp macrumors 6502


    Dec 10, 2008
    What happens if you connect your Mac to a different monitor?
    What happens if you connect a different computer to this monitor?
    What happens if you use a different cable to connect the two?

    Answering one of these questions will tell you whether it's the Mac, the monitor or the cable.
  6. August West macrumors regular

    August West

    Aug 23, 2009
    Land of Enchantment
    I have similar but worse issue with my new 2.5 mini with the AMD graphics and my 24" Cinema Display. Constant twitching, tearing and black screens that render the new mini unusable. I've have had to revert back to my 2009 mini which works flawlessly with the 24" Cinema Display. I need to try to hook up my old 20" NEC monitor to see if does it with that too.

    I don't know what I'm going to do with it although at this point I would just like to return it stick with my 2009 which I know works. Hopefully I can get at least a partial refund on it.
  7. Fissure thread starter macrumors 6502

    Jul 28, 2010
    Sounds worse than what I'm seeing. Mine is definitely not as bad. It's actually been a day or so where I haven't seen it.

    If I was you I'd return the Mini for another one to see if you have a defective unit. It's worth at least one swap I think.
  8. indg macrumors 6502

    Feb 7, 2007
    may just be defective mini. one of the great things about a mini is that it's easy to take to the apple store to get checked out, compared to lugging around a 20-30LB hunk of metal and glass (imac).

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