Macbook Pro not acknowledging Ext Hard drive

Discussion in 'MacBook Pro' started by scharah, Dec 8, 2012.

  1. scharah macrumors member

    Joined:
    Jan 15, 2008
    #1
    Hi

    I'm a final year student with ALL of my dissertation documents saved on to my external hard drive. I figured I should probably back these things up to dropbox and low and behold, when I plugged in my External Hard Drive, my mac doesn't seem to register it.

    You can't write this stuff!

    I'm using a 2010 macbook pro with OS X 10.8.2. with a 2.4 GHz processor.

    The hard drive is a Sonnics 250gb external hard drive with 2 usb plugs.

    When I plug the hard drive in, it is spinning and making al the usual noises - the red light is showing as it normally would, but it's not appearing on the desktop and doesn't seem to be in devices either.

    Please help!! `

    (also apologies if this is in the wrong forum)

    Sarah.
     
  2. justperry macrumors 604

    justperry

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  3. scharah thread starter macrumors member

    Joined:
    Jan 15, 2008
    #3
    I opened disc utility, there's a 'Hitachi 250.6Gb' drive as well as the Macintosh HD, but it says it's internal, so I'm assuming that's not it?
     
  4. justperry macrumors 604

    justperry

    Joined:
    Aug 10, 2007
    Location:
    In the core of a black hole.
    #4
    Can you make a screenshot, so I can see it, or just check, there should be two disks with each 1 or more volumes under it.
    If this is not the case it is not connected.

    Screenshot= Command-Shift-4 then hit spacebar and click on Disk Utility window.
     
  5. scharah thread starter macrumors member

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    Jan 15, 2008
    #5
  6. justperry macrumors 604

    justperry

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    #6
  7. scharah thread starter macrumors member

    Joined:
    Jan 15, 2008
    #7
    It's just decided to show up now! Thankfully. It's been plugged in for about half an hour and nothing had shown up.

    I don't know if its' the hard drive itself or the connection, maybe the cables aren't brilliant.

    But I'm backing everything up on Dropbox just now as we speak.

    Thanks so much for your help though!
     
  8. justperry macrumors 604

    justperry

    Joined:
    Aug 10, 2007
    Location:
    In the core of a black hole.
    #8
    Ah, great.

    It is probably a flimsy cable or connector, or it might be buggy driver although I doubt this.

    I looked up this drive seems to have a fairly low price, might be a good brand but I never heard of this brand.

    If you get into trouble again and it won't show up anymore even with restarts or different cables the hard disk might still be OK but a faulty enclosure.
    So, if this is the case you could always open up the case and try in a different case.

    Good luck with uploading your Data, and you can remove the screenshot if you like.
     
  9. scharah thread starter macrumors member

    Joined:
    Jan 15, 2008
    #9
    It was admittedly the cheapest that I could find on ebay. Student living at it's best!

    Thanks for all the advice, I tried it with a different cable which seems to be working better as my mac is registering the drive instantly. So I'll stick with that cable. But to be honest, I think I'll just be automatically saving everything to dropbox from now on.

    I have less faith in the internet breaking...
     

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