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Ron Voss Level 1 Level 1 (60 points)

Immediately after upgrading from 10.6.8 to 10.7.2, my existing Time Machine backup to external USB began to fail with this message.  Really, nothing else changed.  Is there no solution?  I've tried all the suggestions I see, nothing helps.  Please don't respond unless you have a real fix or work-around for getting USB drives to accept Time Machine backups again.  It does no good to post that you're not having problems; MANY of us are!


We are 25-year Mac users, both former Apple employees, love Apple and Mac, but Lion/iOS5 has been a disaster with so many things failing.  Even an Apple engineer I know won't upgrade his home system until serious problems are ironed out.  Usually the 10.x.1 release fixes the worst problems, but we're already at 10.7.2 .

iMac, Mac OS X (10.7.2)
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