Recovery on MacBook Air

I was running High Sierra on an 11-inch 2015 MacBook Air and decided to install Catalina to update my operating system. I got through the download from the Apple site and was told to restart. However restart failed. It appears to freeze halfway through with a message ‘estimating time remaining’. I left it doing this overnight in case I was being impatient but no success. Any suggestions?

MacBook Air 11″, macOS 10.13

Posted on Sep 8, 2023 03:18 AM

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Posted on Sep 8, 2023 05:39 AM

Read If an error occurred while updating or installing macOS - Apple Support. Exhaust all those steps, including all applicable steps in the links provided in that document.

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Level 10

153,568 points

Sep 8, 2023 05:39 AM in response to AdrianStephen

Read If an error occurred while updating or installing macOS - Apple Support. Exhaust all those steps, including all applicable steps in the links provided in that document.

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Recovery on MacBook Air

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