USB drive not detected

Discussion in 'MacBook Pro' started by mrochester, Jun 19, 2015.

  1. mrochester macrumors 68000

    Feb 8, 2009
    Hi all

    If I plug in a USB drive before opening and waking my MBP, the drive isn't detected unless I disconnect and reconnect it again once the computer has woken up. Does anyone know why it does this and if there is a way to get it to recognise the drive that's connected?

    Many thanks

  2. BradHatter macrumors regular

    Oct 7, 2014
    Not while it's asleep. I would have thought, however, that the drive management system would have parsed out any new drives on wakeup, but I guess not.

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