My Mac book air will not turn on, it was working fine then just turned off
I cannot get my MacBook Air to turn on
MacBook Air, iOS 7.0.2
Portables that will not Power on.
Try another power outlet.
http://support.apple.com/kb/TS1365
Go step by step.
Note: Steps 5 and 6
Reset SMC, hold the keys down for 20 seconds or more.
Best.