can't format my time machine external drive.

I got a Seagate 1 TB external drive and I partitioned it into two sections, one being used by Time Machine. But currently I erased the section for Time Machine and it became "unformatted" and can't be be formatted.




MacBook Pro 15”, macOS 10.14

Posted on Jul 3, 2019 12:10 PM

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Question marked as ⚠️ Top-ranking reply

Posted on Jul 3, 2019 12:41 PM

Reformat the parent drive and start over.


Disk Utility>View>Show All Devices.



Backup disks you can use with Time Machine - Apple Support





3-2-1 Backup Strategy: three copies of your data, two different methods, and one offsite.

more info...Boot clone https://discussions.apple.com/docs/DOC-10081


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Question marked as ⚠️ Top-ranking reply

Jul 3, 2019 12:41 PM in response to leong53

Reformat the parent drive and start over.


Disk Utility>View>Show All Devices.



Backup disks you can use with Time Machine - Apple Support





3-2-1 Backup Strategy: three copies of your data, two different methods, and one offsite.

more info...Boot clone https://discussions.apple.com/docs/DOC-10081


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can't format my time machine external drive.

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