Hi Tom, Have you tried using Disk Utility to "Repair Disk" of the external Time Machine Drive? Disk Utility > Repair Drive
If Disk Utility finds any errors & fixes them, run it again, until it doesn't find any errors. How are you entering Time Machine and "Accessing the files" ? What are you trying to do with the file … 'Restore' it? Is this the Time Machine Drive you did a 'System Restore' from yesterday? Cheers, Ronni 17" MacBook Pro Intel Core i7 2.66GHz / 4GB / 1067 MHz DDR3 / 500GB Serial ATA Drive @ 7200rpm OS X 10.6.4 Snow Leopard Windows 7 Ultimate (under sufferance) On 29/10/2010, at 2:56 PM, Andrew McColl wrote: > > Time for a new drive :) > > Quoting thefrogs <thefr...@iinet.net.au>: > >> >> I have a back up drive that houses my time machine that un-mounts when I try >> to access file within. It is not every time but it does happen frequently. >> Sometimes it quits the finder as well. I have rebuilt fixed prefs started up >> logged out. Every time I leave the mac to sleep and then awaken it the >> backup disappears and I get the removal message box come up. >> 10.6.4 on 24in iMac >> any thoughts? >> tom samson >> -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au>