Installation hanged (black screen on startup)

Discussion in 'Mac OS X Lion (10.7)' started by Porcinet, Jul 24, 2011.

  1. Porcinet macrumors newbie

    Joined:
    Sep 28, 2007
    Location:
    Japan
    #1
    I tried to install Lion on my Mac Mini 2009. After downloading the i stallation file, I launched it (I also created a backup DVD beforehand). The first part of the installation took 3 minutes then it restarted the computer.
    However, since then, my computer refuses to restart. The screen stays dark (although the computer is on). After leaving the computer for 30 minutes, I did a forced shutdown (with the power button) and I disconnected the external hard disk and network cable. Then I restarted again. But the screen is still dark and I cannot hear any noticeable hard disk activity.
    What should I do?
     
  2. bozzykid macrumors 68020

    Joined:
    Aug 11, 2009
    #2
    Are you using HDMI? I had to re-set my HDMI cable after bootup for the screen to come up.
     
  3. Porcinet thread starter macrumors newbie

    Joined:
    Sep 28, 2007
    Location:
    Japan
    #3
    No I am using DVI. But resetting it won't change anything.
     
  4. Porcinet thread starter macrumors newbie

    Joined:
    Sep 28, 2007
    Location:
    Japan
    #4
    Surprisingly the computer just restarted... but the screen is still black
     
  5. Porcinet thread starter macrumors newbie

    Joined:
    Sep 28, 2007
    Location:
    Japan
    #5
    I rebooted using the Lion DVD and repaired the hard disk (there were some problems apparently). Now everything seems to be OK.
     

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