WD My Passport won't backup Time Machine

Discussion in 'Mac Basics and Help' started by alainr, May 23, 2015.

  1. alainr macrumors regular

    Apr 20, 2008
    I got a WD My Passport for Mac usb 3.0 as a spare external hard drive.

    I can't get it to work w/time machine. It always fails.

    my imac runs 10.9.5. i realized that the box says it is formatted HFS+J for mac os x lion or mountain lion. is that the problem?

    Is there anything I can do to make it work?
  2. hallux macrumors 68030


    Apr 25, 2012
    That formatting should be fine. Can you post a screenshot of the error?

    BTW, you could have saved some money by buying the regular My Passport and formatting it yourself, there is literally zero difference in the hardware.
  3. Bananas Ananas macrumors regular

    Bananas Ananas

    Apr 30, 2015
    Can you describe how does it fail? What exactly happens?

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