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Time Machine says 'disk image failed to mount'

TM is not backing up and I cannot get to previously backed yo stuff (it worked before). I use TC to back up. The 'connecting to back up volume' stays on forever. When I delve deeper it says "disk image failed to mount"

Any ideas how to fix this? It's very frustrating

Macbook

Posted on Apr 7, 2008 11:24 AM

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50 replies

May 11, 2008 5:11 PM in response to Bill Elkus

I have two iMac 2ghz Core 2 Duos with 1mb RAM as well as the 1.66ghz intel Core Duo mini connected to my 500gb TC, which is also serving as an airport base station.

One of the iMacs alternates between the 'The storage location for Time Machine backups can't be found." and "Time Machine Error - The backup disk image could not be mounted." though it connects without issue to the internet.

The other iMac and the mini both work great with the TC, connecting to the internet and backing up regularly.

I tried to back the firmware back to 7.3, both of the 'working' computers continued to be connected to the internet and backed up. The non-Time Machine iMac still did not allow connection to or backing up to the TC.

I re-updated the firmware to 7.3.1 and the three retained the same connectivity. So for me, the experiment to downgrade the firmware did not work.

Louis

May 15, 2008 8:00 PM in response to Bill Elkus

Remind me -- about how is it that Time Machine is supposed to provide backups automatically in the background without a hitch . . .

That's an enormous amount of work for an "automatic" backup you're describing there. I could have just used SuperDuper.

(I'm encountering the "disk image won't mount" message -- only three weeks after buying Time Machine.) If I go through what you describe, what guarantee do I have that Time Machine will operate fine the second time around?

Time Machine says 'disk image failed to mount'

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