Late 2009 iMac start-up problem

Discussion in 'macOS' started by Wing, May 2, 2013.

  1. Wing macrumors newbie

    Joined:
    May 30, 2009
    #1
    My late 2009 iMac encountered start-up problem in the last 2 weeks. It could not start-up sometimes, however, sometimes it could start-up normally.
    In one successful start-up, after entering the desktop and using the computer smoothly for awhile, there was a loud noise of the fan.

    Anyone could suggest what might be the problem? Ram or logic board?

    Please help. Thanks!!
     
  2. justperry macrumors 604

    justperry

    Joined:
    Aug 10, 2007
    Location:
    In the core of a black hole.
    #2
    Run Apple Hardware to see if there are any Hardware issues.

    Intel-based Macs: Using Apple Hardware Test
     

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