norcotim Author

Level 1

12 points

IMAC 27 inch Mid 2011

How can I update my mac OS High Sierra on my mac 27 inch mid 2001?

iMac 27″, macOS 10.13

Posted on Oct 25, 2021 1:55 PM

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Oct 25, 2021 1:57 PM in response to norcotim

Sorry, 10.13.6 is the highest update for a 2011 iMac.

See the following from Identify your iMac model - Apple Support

iMac (27-inch, Mid 2011)

Model Identifier: iMac12,2

Part Number: MC813xx/A, MC814xx/A

Latest compatible operating system: macOS High Sierra 10.13.6

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IMAC 27 inch Mid 2011

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