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Unable to start.

367 Views 11 Replies Latest reply: Jan 6, 2013 11:52 AM by fbacklund RSS
fbacklund Calculating status...
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Jan 5, 2013 3:17 AM

Yesterday a mountain lion update chrashed om me and now I can´t start my mac mini.

 

I´ve now reinstalled Mountain Lion from rescue mode but after that the mac just keeps rebooting.

I´ve tried safe mode too but it won´t start anyway.

 

Idéas?

 

Fredrik

Mac mini, OS X Mountain Lion (10.8)
  • den.thed Level 7 Level 7 (23,325 points)
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    Jan 5, 2013 7:02 AM (in response to fbacklund)

    First try > Resetting the System Management Controller (SMC)

     

     

    1. Shut down the computer.

    2. Unplug the computer's power cord.

    3. Wait fifteen seconds.

    4. Attach the computer's power cord.

    5. Wait five seconds, then press the power button to turn on the computer.

     

     

    and the > About NVRAM and PRAM

     

     

    1. Shut down the computer.

    2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.

    3. Turn on the computer.

    4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.

    5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.

    6. Release the keys.

     

     

    Then if it is still acting funny, you might have a loose RAM module and need to reinstall the modules as per > Mac mini: How to remove or install memory

    iMac, Mac Mini, iPad, iPods, Mac OS X (10.6.8), (10.8.2), Safari, iTunes, iPhoto
  • Linc Davis Level 10 Level 10 (107,500 points)
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    Jan 5, 2013 10:24 AM (in response to fbacklund)

    What backups do you have?

  • Linc Davis Level 10 Level 10 (107,500 points)
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    Jan 5, 2013 12:12 PM (in response to fbacklund)

    If you can't boot in Recovery mode, the boot drive has failed, or you have some other hardware fault. Now that you've rescued your data, you can take the machine to a service facility for testing.

  • den.thed Level 7 Level 7 (23,325 points)
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    Jan 5, 2013 12:17 PM (in response to fbacklund)

    Best to have it looked at, by an AASP.

     

    see > Apple - Find Locations

  • Linc Davis Level 10 Level 10 (107,500 points)
    Currently Being Moderated
    Jan 5, 2013 2:38 PM (in response to fbacklund)

    If you can boot into Recovery, then it's possible that a clean reinstallation will fix it, but the hardware will still be suspect. There's no reason for you to have this problem if the hardware is in working order.

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