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recovery

Launching Recovery on an M1 Mac: Booting and control in 11.4

How your M1 Mac starts up in the Recovery mode of your choice, or when it decides you need to take a trip to Recovery to fix an issue.

June 3, 2021 Macs, Technology

Booting an M1 Mac: external disks and local boot policy in macOS 11.4

T T Read More

macOS 11.4 brought major changes to the way M1 Macs handle external bootable disks. This explains how this works during the boot process.

June 2, 2021 Macs, Technology

M1 Macs have a third Recovery mode

There’s 1 True Recovery, Fallback Recovery and one other recovery mode. Disambiguation, explanation and how this changed in macOS 11.4.

May 31, 2021 Macs, Technology

M1 Secure Boot, morphine and self-destruction

One command in Terminal which instantly disables any support, and why you can’t (yet) boot your M1 Mac in Linux.

May 21, 2021 Macs, Technology

Dealing with a kernel panic during M1 startup

My M1 Mac mini was stuck trying to start up. Its power light was on, but there was no video output, and to all intents it was dead.

May 19, 2021 Macs, Technology

Booting an M1 Mac: external disks and local boot policy

How an M1 Mac can start up from an external bootable disk, and how that can fail. All about boot security policy, and how that’s applied.

May 12, 2021 Macs, Technology

How to boot an M1 Mac into an older version of Big Sur

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How changing a volume’s boot policy can let you boot in older macOS, and update, if you wish. For anyone who uses external bootable disks with an M1 Mac.

May 11, 2021 Macs, Technology

Why your M1 may not have Fallback Recovery yet

Created when you update macOS, its Fallback Recovery OS is made from the previous Recovery OS. Here’s how to check whether it’s available on your M1 Mac.

February 22, 2021 Macs, Technology

M1 Macs have another hidden boot mode

Apple has revealed the hidden Fallback Recovery OS mode available on M1 Macs. How to enter and use it, and why it’s another big plus.

February 20, 2021 Macs, Technology

Updating external disks and 1 True Recovery on an M1 Mac

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How you might be able to update an external bootable disk, errors you can encounter, and how can you use 1 True Recovery?

February 17, 2021 Macs, Technology

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