macos time machine says plugged in "Backup drive not available"

Question

Macos Ventura 13.6.7 - Toshiba 1T drive plugged in directly to mac mini not on a USB hub.

Toshiba drive does show up on disk top. Disk Utility had no problems erasing it.

What gives?

Mac mini, macOS 13.6

Posted on Feb 24, 2025 12:51 PM

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Answer 1

Level 10

111,865 points

Was the Erased Toshiba 1 TB given a Partition Map ?

What format is the drive formatted as now ?

To use an external Drive for Time Machine Backup, it would be expecting an APFS / GUID Partition Map

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