Macbook Air doesn't turn on after update and restart
Macbook Air I started the update, window punted up saying that it will update and restart the computer. Aftwr the restart the computer doesn't go back on.
Macbook Air I started the update, window punted up saying that it will update and restart the computer. Aftwr the restart the computer doesn't go back on.
Install El Capitan or Later from Scratch
If possible backup your files.
This will install the version of OS X you had installed.
Macbook Air doesn't turn on after update and restart