Time machine backup
I was using a Samsung T5 portable SSD as my Time Machine backup (MacBook Pro 2016, Mac OS Big Sur 11.6). It was working, but now it says it's disconnected and nothing I do will reconnect it.
Question marked as
Top-ranking reply
sukik192 wrote:
I was using a Samsung T5 portable SSD as my Time Machine backup (MacBook Pro 2016, Mac OS Big Sur 11.6). It was working, but now it says it's disconnected and nothing I do will reconnect it.
Sounds like the external drive has failed—
Trouble Shooting—
https://support.apple.com/guide/mac-help/time-machine-troubleshooting-mh15653/mac
Erase and reformat a storage device in Disk Utility on Mac