mbp doesnt boot when cold (temperature)

Discussion in 'MacBook Pro' started by berto72, Jun 6, 2014.

  1. berto72 macrumors newbie

    Joined:
    Jun 6, 2014
    #1
    Hi,

    I have searched the web but I find no clue to this problem: My MBP 17'' mid 2009 doesn't boot, when it is cold (cold room). I manage to restart it, if I heat it up with a hair-dryer. Then I can initiate a boot, that avorts. Doing this several times and going each time a little bit further in the booting process, the mbp finally boots completely and is then working for hours without problems.


    Does anyone have an idea what could be the problem and how to fix it???
     
  2. thundersteele macrumors 68030

    Joined:
    Oct 19, 2011
    Location:
    Switzerland
    #2
    Very strange. Could be a power issue, what is the status of your battery?

    What happens if you just put it to sleep instead of turning it off? Does it come back up after cooling down or not?
     
  3. berto72 thread starter macrumors newbie

    Joined:
    Jun 6, 2014
    #3
    I have changed the battery recently because I thought that it was a battery problem, so it is not the battery. When I put the mbp to sleep i can't "wake it up" again when I wait too long. I suppose, that it gets to cold in the sleep modus...
     
  4. littlepud macrumors regular

    Joined:
    Sep 16, 2012
    #4
    My initial reaction says logic board issue with cracked solder joints for some components. When the machine is warm, whatever is making intermittent electrical contact will work and the machine will boot.
     
  5. berto72 thread starter macrumors newbie

    Joined:
    Jun 6, 2014
    #5
    It could be a problem with cracked solfer joints, i thought too, but how to explain that shutdown is happening in half a second, much faster than usual. And on reboot the wheel on the grey or bluescreen is always turning for a very long time (from 5 to 10 minutes)?
     

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