2018 i5 Mac Mini boot glitch

Discussion in 'Mac mini' started by Macs4u, May 3, 2019.

  1. Macs4u macrumors 6502

    Joined:
    Apr 19, 2008
    Location:
    Stoke on Trent
    #1
    Hi,

    Any idea why the screen does this on boot on my 2018 i5 mini 20190503_193945.jpg ? Funny graphical glitch
     
  2. Macs4u thread starter macrumors 6502

    Joined:
    Apr 19, 2008
    Location:
    Stoke on Trent
  3. AnonMac50 macrumors 65816

    Joined:
    Mar 24, 2010
    #3
    I would imagine it's the screen itself, it probably didn't sync the resolution and refresh rate properly yet. Have you tried it with another screen to see if it still happens when you start up?
     
  4. Macs4u thread starter macrumors 6502

    Joined:
    Apr 19, 2008
    Location:
    Stoke on Trent
    #4
    Don't have another screen to test it on. It's a 4k monitor connected by hdmi 2.0 cable
     
  5. chabig macrumors 603

    Joined:
    Sep 6, 2002
    #5
    Assuming that’s not temporary, you might need a better cable.
     
  6. Fishrrman macrumors P6

    Fishrrman

    Joined:
    Feb 20, 2009
    #6
    You could also try a USBc (Mac end) to displayport/minidisplayport (display end), and see if that makes a difference.

    The important question:
    Once up-and-running, is everything OK?

    Personal experience:
    With my 2018 Mini and Viewsonic 27" display, when I first press the Mini's power-on button, it takes a few seconds for the display to "wake up" to the incoming video signal.

    That is to say, by the time the display "locks into" the signal, "the silver Apple" is already onscreen and the progress bar has already moved partially along its course.

    But then everything is fine.
     
  7. Macs4u thread starter macrumors 6502

    Joined:
    Apr 19, 2008
    Location:
    Stoke on Trent
    #7
    It runs ok once booted, just didn't be like that should it
     
  8. Spytap macrumors regular

    Joined:
    Oct 8, 2010
    #8
    They don't think it be like it is, but it do.
     

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7 May 3, 2019