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locked disk

  1. L

    Sold a MacBook, can the buyer recover my data?

    Basically I sold a MacBook Air 2018 on Ebay with a smashed retina screen and was displaying on an external monitor. I went into disc utility and erased the hard drive, however when the MacBook went into online recovery mode to re-install the OS it would not display on the external monitor so I...
    • LAbrophy
    • Thread
    • locked disk macbook air 13 recovery disk sold
    • Replies: 5
    • Forum: MacBook Air
  2. C

    Disk locked, can't install OS

    I have a 2007 iMac and wanted to do a factory reset. From Reinstall OS X, the only disk listed to install OS X is Recovery HD, which is locked. When trying to Erase my hard drive in Disk Utility, the erasing process fails. My iMac is too old to boot from Internet Recovery Mode. Any ideas on what...
    • chores
    • Thread
    • 2007 imac cannot reinstall os deleted hard drive erase failed locked disk
    • Replies: 5
    • Forum: iMac
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