Problem when connecting external hard drive

Discussion in 'Mac Basics and Help' started by jasonjamie, Oct 31, 2013.

  1. jasonjamie macrumors newbie

    Joined:
    Oct 31, 2013
    #1
    So when i plug my external hard drive into my mac it connects for about 5 seconds then disconnects and doesn't reconnect, its formatted fat32 which is for both windows and mac and when i connect it to windows it works fine
     
  2. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #2
    Ok so i figured this out byself if anyone else struggles

    Reset your mac and hold cmd R when its starting up disk ulitly then should appear and you should see you device (make sure its plugged in, first aid should be selected and then click repair it should fix this issue and won't wipe any files from the drive
     
  3. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #3
    ok nevermind im still getting the problem again
     
  4. satcomer macrumors 603

    satcomer

    Joined:
    Feb 19, 2008
    Location:
    The Finger Lakes Region
    #4
    Trust me when I say did to try to Reset Your PRAM? See if that helps and hold it down for three beeps then let go and let it boot normally. See if this helps, Good Luck.
     
  5. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #5
    ok i just tryed that, still not working :( thanks for the help tho
     
  6. Fishrrman macrumors G3

    Joined:
    Feb 20, 2009
    #6
    Is your external drive 2.5" or 3.5"?

    Did it come with an external power supply block?

    If so, have you tried connecting it with the power supply providing power?
     
  7. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #7
    I think it might be a 2.5 and it has no power supply slot just the one for the usb
     
  8. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #8
    sometimes if it hasn't been plugged in for a while it stays connected longer, please someone help
     
  9. jasonjamie thread starter macrumors newbie

    Joined:
    Oct 31, 2013
    #9
    i think ive fixed it now, for some reason it stays connected with this usb which has two usbs on the end to plug into the mac, but it worked fine on a windows with just a single usb :S
     
  10. Consultant macrumors G5

    Consultant

    Joined:
    Jun 27, 2007
    #10
    What Mac specs? What OS version? What drive brand? What drive size?
     
  11. Fishrrman macrumors G3

    Joined:
    Feb 20, 2009
    #11
    [[ i think ive fixed it now, for some reason it stays connected with this usb which has two usbs on the end to plug into the mac, but it worked fine on a windows with just a single usb ]]

    You have a drive enclosure which requires "too much" power to be used with only one Mac USB port.

    That's why you have to use the "Y" cable adapter.

    It's either that, or use an external power supply block (the drive may have a port for a power block on it).

    See reply #6 again...
     

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