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When I try to install macOS big Sur and click on the hard drive I get an error volume not formatted for apfs

When I try to install macOS big Sur and click on the hard drive I get an error volume not formatted for apfs

Mac mini, macOS 10.14

Posted on Dec 4, 2021 8:03 AM

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Question marked as Top-ranking reply

Posted on Dec 4, 2021 8:13 AM

Is this computer running High Sierra as this is where the posting of you question is posted ??


Or this computer running Mojave as per user profile using a Mac Mini.


If Mojave exactly what version of Mojave ? Some time around Mojave 10.14.3 or 10.14.4 the Mojave update would Convert the Old HFS Journaled drive to the new APFS Format.


If this was not done - that might be the Source of the Error Message one has received.


If this is the case Follow this link to posting by @ leroydouglas for converting HFS Journaled to APFS format.

3 replies
Question marked as Top-ranking reply

Dec 4, 2021 8:13 AM in response to williamfromleavenworth

Is this computer running High Sierra as this is where the posting of you question is posted ??


Or this computer running Mojave as per user profile using a Mac Mini.


If Mojave exactly what version of Mojave ? Some time around Mojave 10.14.3 or 10.14.4 the Mojave update would Convert the Old HFS Journaled drive to the new APFS Format.


If this was not done - that might be the Source of the Error Message one has received.


If this is the case Follow this link to posting by @ leroydouglas for converting HFS Journaled to APFS format.

When I try to install macOS big Sur and click on the hard drive I get an error volume not formatted for apfs

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