Trouble Reading USB

Discussion in 'Mac Accessories' started by Wardipie, Dec 9, 2008.

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  1. Wardipie, Dec 9, 2008

    Wardipie macrumors newbie

    Joined:
    Dec 9, 2008
    #1
    Hi guys,

    For some reason, whenever I plug any device such as a USB pen drive or an audio interface into any of my mac's USB drives, it will not recognise it.
    The only way it will appear is if it is plugged in when OSX actually boots up so I dont think it is a power issue.
    Is there some setting or other that I need to change?

    Please help as soon as humanly possible guys,
    Many thanks,
    Wardipie
     
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  2. fwhh, Dec 9, 2008

    fwhh macrumors regular

    Joined:
    Aug 11, 2004
    Location:
    Berlin, Germany
    #2
    Have you tried to reset your PMU? The procedure variies from mac to mac, so look it up for your mac at www.apple.com/support. Try to repair permissions, try connecting the hardware through a powered usb hub. And, if this hasn't fixed your problem, provide us your mac type and the software you are running. Good Luck.
     
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