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Time machine not working

I have set my WD hard drive as my time machine device and it seemed to work fine for a while. But despite the fact that I plug it in often I've noticed in preferences that the last back up was done at the end of August. It's set to do automatic backups and everything seems ok but I have no idea how to make this work. Can someone help me with this please.

MacBook Pro

Posted on Dec 3, 2012 2:31 PM

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18 replies

Dec 5, 2012 12:44 PM in response to rachelfromcambridge

The drive has malfunctioned. Sometimes that happens because of a bad cable, but usually it's the drive. The first thing you should do is back up to another drive. As this experience shows, you need more than one backup to be safe. Imagine what would have happened if your primary drive had crashed, and you found out only then that you had no backups.


So after backing up to another drive, you can try erasing the old one. Personally I would never trust it again. If you want to continue using it, keep a close eye on it, and if it ever acts up again in any way, take it to be recycled, or get it replaced under warranty if applicable.


For instructions on how to erase the drive, see the built-in Disk Utility help (under the Help menu.)

Time machine not working

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