8-core MacPro won't boot after shut down (blue screen)

Discussion in 'Mac Pro' started by BreuerEditor, May 14, 2012.

  1. BreuerEditor macrumors regular

    BreuerEditor

    Joined:
    Jul 1, 2008
    Location:
    New Jersey
    #1
    Hey everyone,

    At my job, I have an 8-core MacPro which won't boot when it gets shut down inadvertently. (Power failure and accidental switch hitting seem to be the main reasons). I can't seem to get them to get me a UPS.

    The IT guy downgraded the system to Snow Leopard, even though it came with Lion on it, since all computers here are running 10.6.8 and he doesn't want to upgrade all systems yet.

    So, when the computer gets shut down unintentionally, it won't boot past the blue screen with an intermittent spinning icon (the same icon when you see the Apple logo during boot). When the IT guy comes back, he plugs in his external drive, runs disk utility, repairs permissions, and viola. It boots.

    So my question is, does anyone have a clue as to why that forced shutdown seems to put this computer into a coma? Please refrain from answers such as "if you shut it down properly or get a UPS, you won't be in that situation." I understand that, but am wondering why it won't boot, even though every other computer here can boot after power failure. I believe almost all computers here besides this one all had Snow Leopard or earlier on them...they didn't downgrade the OS. Could that be the issue?

    Thanks.

    Best, Eric
     
  2. derbothaus macrumors 601

    derbothaus

    Joined:
    Jul 17, 2010
    #2
    The Hard Disk sounds jacked up. IT dude is probably repairing the directory which allows booting again. You should get a new HD and new image so this stops happening. The downgrade does not matter on any Mac Pro as they all can boot 10.6. 2010 require 10.6.5 or special 10.6.4 but anything over 10.6.5 will work on ANY Mac Pro. 2006-2010.
     
  3. BreuerEditor thread starter macrumors regular

    BreuerEditor

    Joined:
    Jul 1, 2008
    Location:
    New Jersey
    #3
    Great. Thanks for the information. I appreciate it! We'll look into it and I will share the results.
     

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