10.5 certain external drives not mounting after restart or sleep; 10.4 …after sleep
February 21st, 2008
11 comments
The Problem:
Computer is up and running with usb drive(s) mounted and working fine. After restart or sleep, CERTAIN drives aren’t visible – they don’t show up on desktop, in disk utility, in system profiler, or in disk utility started from os x install disk.
• in 10.5: both sleep & restart cause problem to occur
• in 10.4: sleep causes problem to occur, but restart doesn’t cause any problem. when using a drive that exhibited the “problem” in 10.5; putting computer to sleep and waking on 10.4 causes drive to improperly eject, prompting “device removal” screen upon wake; drive disappears and can’t re-mount until power toggled.
The Quick Fix:
• Toggle hard drive power (turn hard drive off and on)
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