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Upgraded my MacBook Pro, and can't backup my laptop, using Time Machine!!! Have an external HD attached via USB, and it keeps saying "Back up disk not available!" Have formatted HD. After the backup starts, it has said that a number of times I've attempted to backup!!!
[Edited by Moderator]
Is the external device formatted as GUID/GPT partitioned with HFS+ file system? That’d be what’s expected.
Is the external device formatted as GUID/GPT partitioned with HFS+ file system? That’d be what’s expected.
Can't backup using Time Machine
