Mac Mini Double Image

Discussion in 'Mac mini' started by bigbluewolf88, Sep 21, 2018.

  1. bigbluewolf88 macrumors newbie

    Joined:
    Sep 21, 2018
    #1
    Hi everyone,

    I've been having an issue with a mac mini. At times, when I wake it up from sleep, it wakes up to a double image moving back forth really quickly. The video doesn't really show the moving back and forth motion, but that's pretty much what I see. Restarting it fixes the issue as well as unplugging and plugging the HDMI back in, but I dont want to be doing that all the time. Any clues as to what's happening?

    Thanks
     

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  2. !!! macrumors 6502

    Joined:
    Aug 5, 2013
    #2
    Can you test the Mac mini with a different monitor or HDMI cable? Or can you test the monitor with a different computer?
     
  3. bigbluewolf88 thread starter macrumors newbie

    Joined:
    Sep 21, 2018
    #3
    Sorry for the late reply. I've swapped cables and have a PC connected. PC works fine, the mac still does this.
     
  4. sublunar macrumors 6502a

    Joined:
    Jun 23, 2007
    #4
    I occasionally get this issue with my Mini - it resembles an interlacing effect after waking my Mac up like the video RAM has been corrupted. The fault is rectified on a restart.

    Obviously, the OS versions when this happens is different (later) so it might not be software.

    The fault may be with the GPU but my 2012 Mini is fairly old and I've been waiting for some time for a suitable updated Mini.

    It may have been related to the 'snowy' image issue that was reported on many 2011/2012 models back in the day. You don't specify exactly which model you have
     
  5. bigbluewolf88 thread starter macrumors newbie

    Joined:
    Sep 21, 2018
    #5
    Thanks. I'm starting to think it's a hardware issue as well. I have a Mac Mini Late 2014 running Sierra 10.12.6
     

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4 September 21, 2018