Bizarre Mac Pro problem

Discussion in 'Mac Pro' started by dogbait, Mar 16, 2010.

  1. dogbait macrumors regular

    Joined:
    Feb 4, 2005
    Location:
    London, England
    #1
    My Mac Pro sits under my desk. Anytime I bump into it with my knee it crashes with the "You need to restart your computer message...".

    The slightest tap sets it off.

    I had a hunch that perhaps a hard disk was sensitive to vibration and have taken out all four hard disks and connected only an external firewire disk but the machine still exhibits the problem.

    Any ideas what could be wrong?
     
  2. seisend macrumors 6502a

    seisend

    Joined:
    Feb 20, 2009
    Location:
    Switzerland, ZG
    #2
    I would check if every hardware component is plugged in correctly. Shut down the Mac Pro and disconnect it from the Power source. Disassamble and reassamble all parts that can be disconnected (HDD,PCI-E,CPU board,RAM,etc.) Maybe check some intern cables on your logic board too.
     
  3. dogbait thread starter macrumors regular

    Joined:
    Feb 4, 2005
    Location:
    London, England
    #3
    Thanks for the tip. Spent some time tapping the internals of the machine until I found the culprit. The problem was a RAM card which also had a DIMM light lit red on it. After reinserting the suspect DIMM and then reinserting the card the Mac seems fine.
     
  4. gotzero macrumors 68040

    Joined:
    Jan 6, 2007
    Location:
    Mid-Atlantic, US
    #4
    For future reference and searches a problem like this almost always going to have to do with loose RAM. ;)
     
  5. Keniff macrumors 6502a

    Keniff

    Joined:
    Dec 21, 2008
    Location:
    United Kingdom
    #5


    Ah Yes! I know the answer to this one.
    Move it out from under your desk, so you'll stop bumping into it!

    That's be £45 pounds please - I do take PayPal btw


    ;)
     

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