Imac can not find external hard drive

Discussion in 'Mac Basics and Help' started by MacArch, Aug 11, 2009.

  1. MacArch macrumors newbie

    Joined:
    Oct 10, 2008
    #1
    After the latest Leopard update, my imac can not find one of the external hard drives attached to it via usb. I have check all the usb ports with other devices with no problems. I checked the external hard drive on another computer and had no problems reading it. Any suggestions?
     
  2. Makosuke macrumors 603

    Joined:
    Aug 15, 2001
    Location:
    The Cool Part of CA, USA
    #2
    If you open Disk Utility with the drive attached, do you see it in the pane on the left (either the physical drive, or both that and the volume indented below)? If so, you can try selecting the drive and clicking repair, to see if that does anything useful. If it doesn't mount after that and you can see the volume name, try selecting that and clicking the "mount" button in the toolbar at top.

    Post what you get from doing that.
     
  3. Mugwumper macrumors regular

    Joined:
    Jan 19, 2008
    Location:
    Palmdale, CA
    #3
    Recycle power?

    I would try:

    1. Turn off the hard drive, then disconnect and reconnect its USB cable
    2. Turn on the drive, and see if it is now recognized

    If not:

    1. Repeat 1 above
    2. Restart iMac
    3. Repeat 2 above

    If this doesn't work, you may have some sort of drive problem.

    When you installed the recent Leopard update, was the disk drive off and
    unplugged? Used to be a problem if it wasn't - don't know recently.

    Also, what kind of iMac do you have? G5, C2D, how much RAM, HD, etc.?

    Mugwumper
     

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