Mac Applications forum

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Time Machine won't backup

by rosseng--2008 / April 17, 2010 1:06 PM PDT

I have an iMac with 2GHz Intel Core 2 Duo and 2GB RAM and OSX 10.5.8. Last year I bought a Western Digital My Book Mac Edition 1 TB external HD for backups. All worked well initially but later there were random occasions when Time Machine would start "preparing" to backup but then stall and keep spinning. Usually I could get it going again by stopping the backup, shutting down the external HD and/or restarting the iMac.

Now I can not get past Time Machine "preparing" to backup, even after trying the previous methods of working around the problem. It spins until I give up and stop it. I can still enter Time Machine to look at files that are no longer on the internal HD. There is still 767 GB room available on the external HD.

Any suggestions?

rosseng

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Tell Time Machine
by mrmacfixit Forum moderator / April 18, 2010 6:06 AM PDT

to perform a complete backup.

Then just ignore it for a bunch of hours.

P

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Time Machine won't backup
by rosseng--2008 / April 19, 2010 12:33 PM PDT
In reply to: Tell Time Machine

Thanks. I did a complete backup when I bought the HD, which took some time. Since then the backups are normally very fast because Time Machine only needs to backup changes.

rosseng

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I know how it works,
by mrmacfixit Forum moderator / April 19, 2010 9:57 PM PDT

just tell TM to make a FULL backup again.

P

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Time Machine won't back-up
by Gareth1962 / September 22, 2010 10:27 AM PDT

Hi there

Did you get a resolution on this issue? I'm having exactly the same problem with my Time Machine so if you managed to fix it I'd be very grateful for advice on how

Thanks
Gareth

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(NT) Did you do as suggested?
by mrmacfixit Forum moderator / September 22, 2010 11:27 AM PDT
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