In this video i will show you that how to turn of AutoBoot in MacBook Pro, MacBook Air.
These are the steps to disable AutoBoot:
1) Go to /Applications/Utilities/ folder and open the Terminal app.
2) To disable boot on power and boot on lid, paste or type the following line in the Terminal window, then press Enter to execute the command:
" sudo nvram AutoBoot=%00 "
The change will be permanent until you reset your Mac’s NVRAM.
To switch back to the default auto-boot behaviour when you plug the MacBook Pro in or lift its lid, simply reverse the change with the following Terminal command:
" sudo nvram AutoBoot=%03 "
In both instances, you may be asked to enter your administrative password.
Keep in mind that turning boot on power and boot on lid off shall re-enable the classic Mac startup chime, too. The command won’t enable the new auto-boot feature on the twelve-inch MacBook or other Mac models such as the MacBook Air.
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