macbook keeps locking

Discussion in 'MacBook' started by Drich290195, Sep 12, 2012.

  1. Drich290195 macrumors 6502


    Apr 2, 2011
    got a jan 2009 white macbook and it keeps locking requiring a restart mouse does not move nothing iv recently upgraded to 4gb ram could this be it is their any way to figure out whats causing it im using mountain lion patched to the latest version cheers
  2. old-wiz macrumors G3

    Mar 26, 2008
    West Suburban Boston Ma
    If it just started after upgrading RAM, I'd say your ram is defective. Put the original ram back in and see how it goes.

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