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ios 10.12.4

  1. J

    iOS 10.12.4 update/Time Machine slowness problem

    Backing up my iMac data using Time Machine connected to an External Hard Disk by Firewire 800 worked fine when my Mac OS was Sierra 10.12.3. On 9 April I updated to Sierra 10.12.4. Time Machine stopped its automatic backups. It froze at “Preparing for backup…” And when I entered Time Machine...
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