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Great62 Author

Level 1

4 points

Big Sur install disk error

Tried to upgrade laptop with Big Sur and get message that 29 minutes left to comply install. Then get message to open in safe disk mode. What is that and how do I get past it?

MacBook Air 13″, macOS 10.13

Posted on Jan 8, 2022 9:27 AM

Top-ranking reply

Tesserax

Level 10

152,362 points

Posted on Jan 8, 2022 9:51 AM

Have you tried the upgrade process again after booting up your Mac in Safe Mode?

Ref: Use safe mode to isolate issues with your Mac - Apple Support

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Big Sur install disk error

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