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I'm on 10.11.6 and my TM backup has stopped working.
Can't even run it manually
Message says "Backup failed" and suggests using Disk Utility to repair; I run the utility, apparently successfully, but the error persists
Backup disk is WD My Passport external drive with plenty of free space
Wanting to backup before updating from El Capitan to Catalina
MacBook Pro 15", OS X 10.11
Hello,
Have you tried restarting your Macintosh?
How to turn your Mac on or off - Apple Support
If restarting does not resolve the problem then most likely your external hard disk has failed.
Repair a storage device in Disk Utility on Mac - Apple Support
Hello,
Have you tried restarting your Macintosh?
How to turn your Mac on or off - Apple Support
If restarting does not resolve the problem then most likely your external hard disk has failed.
Repair a storage device in Disk Utility on Mac - Apple Support
Hi yes I have turned off - restarted - I've reformatted the external hard drive - I've run first aid and erased - and reformatted again. The external drive checks show everything with it is A-OK. But I keep getting the Backup Failed error.
Apparently there is an issue with El Capitan and Time Machine but I can't find how to work around as I need to do a backup before I upgrade to Catalina.
Time machine backup failed
