how to turn on macbook air 2017 without a password

JulieBook: julie$ hdiutil attach BaseSystem. JulieBook:~ julie$ cd '/Volumes/Recovery HD/' Volume Recovery HD on Recovery HD mounted JulieBook:~ julie$ diskutil mount 'Recovery HD' If the machine is asleep, you can usually wake it up by pressing any key, lifting up the lid of the MacBook, or pressing the trackpad. Steps for almost every Mac model can be found below. The placement of the Power button depends on which computer you own.

JulieBook:~ julie$ defaults write AppleShowAllFiles true killall Finder To turn on your Mac, all you have to do is press the Power button. Most of these steps can also be done in the Finder after the first two terminal commands: I can't test it at the moment because mine is deactivated. Maybe it works without the old password but I think not. But there is an 'easy' way to change the firmware password from a running OS. Wait five seconds, then press the 'Power' button.Sorry, I did not read the whole thread. Wait fifteen seconds, then plug it back in.

Desktop - Shut down the iMac and unplug the power cord.

Release the 'Power' button, reinsert the battery, and plug in your computer to a power source.

Unplug the power adapter and remove the battery, then hold down the 'Power' button for five seconds. Laptop with removable battery - Shut down your computer.Using the left side of the built-in keyboard, hold down ⇧ Shift + Control + ⌥ Option while pressing the 'Power' button, then release all keys, and finally press the 'Power' button again. This option was removed back in OS X Lion, but you can still access the same password-reset utility in recovery mode by selecting Utilities > Terminal, typing.

Laptop with non-removable battery - Shut down your computer and plug it into a power source. Traditionally, it’s been possible to boot into recovery mode and select Utilities > Password Reset from the menu, which you could use to reset a password if you’ve forgotten it.If none of the steps above solved your problem, reset the SMC: X Research source An issue with the SMC can prevent your power button from working properly, or cause general slowdowns. The SMC, or System Management Controller, handles many of the physical components on your Mac.

How to turn on macbook air 2017 without a password