External hard drives missing after sleep

Discussion in 'Mac OS X Lion (10.7)' started by Primus84, Aug 4, 2011.

  1. Primus84
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    macrumors 6502

    Jul 21, 2005
    Does anyone else have an issue with external HDs not showing up after sleep - I'm running a 24" iMac C2D 2.4Ghz and I've got 1 external Lacie 1Tb that always works and two identical Western Digital My Book Essential 2Tb USB3/2.

    The WD drives don't always show up after sleep - often only one shows up, sometimes both show up - anyone else experienced anything similar?

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