Suddenly not booting

Discussion in 'Mac Pro' started by Verdenshersker, Dec 20, 2014.

  1. Verdenshersker macrumors member

    Verdenshersker

    Joined:
    Oct 17, 2014
    Location:
    Copenhagen, Denmark
    #1
    Hey,

    I am turning on my Mac Pro 4.1 today and suddenly it is not booting.
    I used it less than 12 hours ago, but now it's not booting. It turns on, I get the Apple sound you get when starting a cold boot and I can hear the fans, but nothing but that.

    Anyone have an idea what suddenly could have happened?
     
  2. h9826790 macrumors G3

    h9826790

    Joined:
    Apr 3, 2014
    Location:
    Hong Kong
    #2
    Try a SMC reset first.

    If nil help, open the case and check if there is any diagnostic LED illuminating.

    P.S. also check the monitor cable, just in case.
     
  3. Verdenshersker thread starter macrumors member

    Verdenshersker

    Joined:
    Oct 17, 2014
    Location:
    Copenhagen, Denmark
    #3
    THIS IS THE STUPID ONE :)

    Monitor cable wasn't connected for some reason anymore... hahah

    SOLVED! Thanks
     
  4. h9826790 macrumors G3

    h9826790

    Joined:
    Apr 3, 2014
    Location:
    Hong Kong
  5. Verdenshersker thread starter macrumors member

    Verdenshersker

    Joined:
    Oct 17, 2014
    Location:
    Copenhagen, Denmark
    #5
    Yeah, but it can't win over an Error 40 :)
     
  6. EdDuPlessis macrumors 6502

    Joined:
    Nov 23, 2014
  7. Gav Mack macrumors 68020

    Gav Mack

    Joined:
    Jun 15, 2008
    Location:
    Sagittarius A*
    #7
    That common error between chair and keyboard strikes again :D
     

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