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  1. #1
    Time machine error (Disk Not Ejected Properly) "Eject HD before disconnecting
    Hi

    I have MacBook Pro (Retina, 13-inch, Early 2013) Processer 3GHz Intel Core i7 and Memory 8GB 1600 MHz DDR3, macOS Mojave version 10.14

    I want to back up my data through Time machine. I have 1TB WD My Passport hard disk, S/N: WXV1E53LZA61

    I can use this hard disk with mac and I can save files in it. However, something going wrong when I try use this hard disk with time machine. I formatted HD to Mac OS Extended (JOURNALED).

    I chick the HD by disk utilities and did a first aid, everything is ok. I earse HD and I still have same problem.

    When I try to do back up Time machine, after one minutes, there is a message appear (Disk Not Ejected Properly) "Eject HD before disconnecting or turning it off"

    I tried to use another cable but I still have same problem. I updated mac from macOS Sierra to macOS Mojave version 10.14 and still have same problem. Could you help please

  2. #2
    Time machine error (Disk Not Ejected Properly) "Eject HD before disconnecting
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    5,149
    Your Mac's Specs
    L2014 Mac mini macOS Mojave, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Use Disk Utility, and make sure the external has the GUID partition scheme. Some times, when an external is originally formatted for Windows, they have a Master Boot Record partition scheme. Also, another thing to look at while in DU, is the View menu and confirm Show All Devices is selected.
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  3. #3
    Thanks Ferrarr for replay. Yes I'm sure about what you said and I still have this problem.

  4. #4

  5. #5
    The details of my Hard disk are here: http://products.wdc.com/library/AAG/ENG/4178-705230.pdf
    I just update HD firmware, and try to back up data by time machine and still have same problem

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