Exernal HD always turning on?

Discussion in 'Mac Basics and Help' started by downingp, May 4, 2008.

  1. downingp macrumors 6502a

    Joined:
    Jun 26, 2006
    #1
    Should my external HD always just randomly turn on? I understand the HD turning on if I need to access it, but why will the external HD turn on even while browsing the internet?
    I have a 1 TB My Book Premium.

    Thanks for the info.
     
  2. mreg376 macrumors 6502a

    Joined:
    Mar 23, 2008
    Location:
    Brooklyn, NY
    #2
    Are you using it with Time Machine?
     
  3. downingp thread starter macrumors 6502a

    Joined:
    Jun 26, 2006
    #3
    Sorry I forgot to mention that in my original post. Yes I am using it for time machine, but I have time machine turned off. I manually back up using time machine.
     
  4. DeuceDeuce macrumors 6502a

    DeuceDeuce

    Joined:
    Aug 8, 2007
    Location:
    San Dimas, CA
    #4
    Same things happens to me with my 500gb My Book and my iMac. TM is off and every once in awhile my HD just starts doing its thing... :confused:
     
  5. Vader macrumors 65816

    Vader

    Joined:
    Oct 11, 2004
    Location:
    Saint Charles, MO
    #5
    I think it is something to do with spotlight or the finder. One of them decides to check that the HD is still there about every 15 minutes. There was a whole thread about this a while ago, here. Nothing conclusive on fixing the issue was found, but the cause was found.
     

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