External hard drive no longer detected due to accident.

Discussion in 'Mac Basics and Help' started by xandervincent, Aug 12, 2008.

  1. xandervincent macrumors newbie

    Joined:
    Aug 12, 2008
    #1
    Yeah. Someone tripped on my external hard drive USB cord while it was plugged in. It gave me the generic "Please unplug device properly next time." or whatever message.

    Not, after rebooting the mac book pro, unplugging and replugging everything, it is still not detected. Not even under DiskUtility.

    Please help? lol
     
  2. SnowLeopard2008 macrumors 604

    SnowLeopard2008

    Joined:
    Jul 4, 2008
    Location:
    Silicon Valley
    #2
    Did you try a different usb cable? And try connecting the HD to a different computer and see if the computer can detect it.
     
  3. xandervincent thread starter macrumors newbie

    Joined:
    Aug 12, 2008
    #3
    Other computer can detect it. Different USB cable did no good.

    No way I can make it force detect it? Or make the mac forget all the devices I accidentally unplugged?
     
  4. SnowLeopard2008 macrumors 604

    SnowLeopard2008

    Joined:
    Jul 4, 2008
    Location:
    Silicon Valley
    #4
    Do you use the dual-usb plug cords with one end going to the HD and a split end with two USB ends, one for power+data, and the other for backup power? it may not have enough power.
     
  5. Insulin Junkie macrumors 65816

    Insulin Junkie

    Joined:
    May 5, 2008
    Location:
    Mainland Europe
    #5
    The port may have been damaged... have you tried plugging it into the second USB port?
     
  6. merl1n macrumors 65816

    merl1n

    Joined:
    Mar 30, 2008
    Location:
    New Jersey, USA
    #6
    Examine the USB port you were using on the MBP for damage. Try the other USB port. If it still doesn't work do the following:

    1. SMC reset
    2. PRAM reset

    See if this helps.
     
  7. xandervincent thread starter macrumors newbie

    Joined:
    Aug 12, 2008
    #7
    No idea what either of those resets are, my apologies.

    It uses one cord for power, one for USB power, both are plugged in, it is on.

    Another device (wireless mouse) works in the USB port, and the ext HDD doesn't work on any of the USB ports.

    So, what are those resets?
     
  8. xandervincent thread starter macrumors newbie

    Joined:
    Aug 12, 2008
    #9
    The SMC reset fixed it. Thanks greatly. Now I have it set up to my router as a time machine thingy. Thanks again guys.
     

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