USB drive not detected

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

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  1. mrochester, Jun 19, 2015

    mrochester macrumors 65816

    Joined:
    Feb 8, 2009
    #1
    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

    M.
     
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  2. BradHatter, Jun 19, 2015

    BradHatter macrumors regular

    Joined:
    Oct 7, 2014
    #2
    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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