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Level 1

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How do I upgrade an iMac 21.5 inch computer w/ High Sierra 10.13.6?

Is there no way to upgrade my iMac computer mid-2011 model 21.5 inches?

iMac 21.5″, macOS 10.13

Posted on Oct 12, 2022 9:56 AM

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Level 10

471,987 points

Posted on Oct 12, 2022 10:33 AM

Sorry, no. That is the last possible OS. See the following from Identify your iMac model - Apple Support

iMac (21.5-inch, Mid 2011)

Model Identifier: iMac12,1

Part Number: MC309xx/A, MC812xx/A

Latest compatible operating system: macOS High Sierra 10.13.6

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