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Ventura - now my TimeMachine backup drives won't load. What have you done?

Time Machine says the disc is not available. IT IS. It is only since upgrading to Ventura that Time Machine has stopped working.

iMac 21.5″, macOS 12.2

Posted on Oct 8, 2023 3:26 PM

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Question marked as Top-ranking reply

Posted on Oct 9, 2023 9:22 AM

donnybhoy wrote:

Time Machine says the disc is not available. IT IS. It is only since upgrading to Ventura that Time Machine has stopped working.
https://discussions.apple.com/content/attachment/ac7be3eb-d0bc-4b4a-8487-a9b862b2d8a5


If the drive has failed try a different drive and compare your results.



Time Machine troubleshooting on Mac

Time Machine troubleshooting on Mac - Apple Support


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4 replies
Question marked as Top-ranking reply

Oct 9, 2023 9:22 AM in response to donnybhoy

donnybhoy wrote:

Time Machine says the disc is not available. IT IS. It is only since upgrading to Ventura that Time Machine has stopped working.
https://discussions.apple.com/content/attachment/ac7be3eb-d0bc-4b4a-8487-a9b862b2d8a5


If the drive has failed try a different drive and compare your results.



Time Machine troubleshooting on Mac

Time Machine troubleshooting on Mac - Apple Support


Oct 9, 2023 10:38 AM in response to donnybhoy

How is the drive formatted?


Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac?


Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.


NOTE 1: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following; 

• Verifies your startup disk and attempts to repair directory issues, if needed

• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)

• Prevents Startup Items and Login Items from opening automatically

• Disables user-installed fonts 

• Deletes font caches, kernel cache, and other system cache files


NOTE 2: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will insure a successful boot into Safe Mode.


Ventura - now my TimeMachine backup drives won't load. What have you done?

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