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Released in November 2020, the 13" MacBook Pro features Apple's Arm-based M1 SoC with both an 8-core CPU and 8-core GPU. (Model A2338 / EMC 3578 with two Thunderbolt 3 ports)

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Cannot Choose Start-Up Disk on M1 MacBook Pro with Big Sur

I want to boot in Safe Mode but no disk will show up in my “Choose Startup Disk” menu.

I went through and (First Aid) repaired all Disks in the Disk Utility but I still can’t get them to show up.

I have these Disks currently in Disk Utility:

Internal = APPLE SSD AP0512Q Media

^ Container disk3

^ Macintosh HD (named)

Disk Images = Apple disk image Media

^ Container disk5

^ macOS Base System

This customer just got this new MacBook and I’d love to give them hope!

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What if you Option boot and try to Reinstall the OS. Disk Utility is seeing Macintosh HD so something is there. I would try reinstalling the OS and see what that does.

How to Reinstall macOS on an M1 MacBook Air, M1 MacBook Pro, and M1 Mac Mini

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