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while updating my iMac is now unresponsive is asking me to go to target disc mode

My iMac is frozen while updating now telling me to go to target disc mode. What does it mean?

iMac 21.5″, macOS 10.15

Posted on Mar 29, 2021 7:35 AM

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Posted on Mar 29, 2021 7:59 AM

It looks like it is confused. Shut it down and see what happens when you start it back up.

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while updating my iMac is now unresponsive is asking me to go to target disc mode

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