external back up

I'm trying to back up my computer to an external drive, it's telling me the HD data1 is not avaibable, I select to replace it with the external drive and it won't allow the change.


Any suggestions?

Posted on Oct 22, 2021 9:45 AM

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Question marked as Top-ranking reply

Posted on Oct 23, 2021 10:36 AM

spinefusion wrote:

I'm trying to back up my computer to an external drive, it's telling me the HD data1 is not avaibable, I select to replace it with the external drive and it won't allow the change.

Any suggestions?


How is this new external drive formatted...?




Erase and reformat a storage device in Disk Utility on Mac

https://support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/19.0/mac/10.15




1 reply
Question marked as Top-ranking reply

Oct 23, 2021 10:36 AM in response to spinefusion

spinefusion wrote:

I'm trying to back up my computer to an external drive, it's telling me the HD data1 is not avaibable, I select to replace it with the external drive and it won't allow the change.

Any suggestions?


How is this new external drive formatted...?




Erase and reformat a storage device in Disk Utility on Mac

https://support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/19.0/mac/10.15




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external back up

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