Time Machine Backup Not Working

Suddenly my time machine has ceased backing up. It backs up to a 1T G/Drive, and has worked consistently for months. Now I receive a message that says


I cannot determine why this has happened or now to fix.


There appears to be plenty of room on the back-up drive:



Thanks for any help.

iMac 27″, macOS 10.15

Posted on Apr 17, 2021 8:21 AM

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Posted on Apr 20, 2021 6:14 AM

This didn't solve my problem. I continued to work away, and found that somehow the 500 GB storage on my iMac was full. After I solved the problem there and established many more available GB's, Time Machine was able to start working again.

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Time Machine Backup Not Working

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