mohammadhb/mac-nvram-configs.md

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mac-nvram-configs.md

General

How to reset NVRAM or sudo nvram -c
Show all configs: sudo nvram -p

Prevent a Mac laptop from turning on automatically ¹

To prevent automatic startup when:

opening the lid/connecting to power: sudo nvram BootPreference=%00
opening the lid: sudo nvram BootPreference=%01
connecting to power: sudo nvram BootPreference=%02

Prevent a Mac laptop from turning on when opening its lid or connecting to power ↩

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