External hard drive will not connect

Discussion in 'MacBook Air' started by digitalbounce7, May 13, 2017.

  1. digitalbounce7 macrumors newbie

    Joined:
    May 13, 2017
    #1
    I've used a Dynex DX-HD302513 USB 3.0 2.5\ SATA Hard Drive Enclosure Kit with an old Windows HD as an external/backup HD for a few years. This has always worked fine with our old 2009 iMac, but it will not connect to my new MacBook air - you can hear it constantly restarting/reconnecting (but not clicking), but it never shows up on the MacBook. Does anyone know what would cause this or how to fix it?
     
  2. chscag macrumors 68000

    Joined:
    Feb 17, 2008
    Location:
    Fort Worth, Texas
    #2
    It almost sounds like the drive is not getting enough power. Try using a double USB connector instead - if you have one handy. I've had to do that with several external DVD optical drives that I use with my iMac.
     
  3. DeltaMac macrumors 604

    DeltaMac

    Joined:
    Jul 30, 2003
    Location:
    Delaware
    #3
    The MBAir probably does not provide enough power from the USB port for that external.
    The Dynex enclosure does not have a port for external power, does it?
    As chsag suggested, one of the double USB connectors, which would then use two USB ports on your MBAir, may get the drive to work.
     
  4. digitalbounce7 thread starter macrumors newbie

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    May 13, 2017
  5. vrBrew Suspended

    vrBrew

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    Mar 3, 2017
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