Macbook air is not powering when you press the power button, the power adapter is working fine on another mackbook. what could be the problem.
MacBook Air
Iphones had this problem too, you will probably need a new one, as far as i know, this happend to my laptop and phone before, i've had to get a new one 😟
http://support.apple.com/kb/TS1365
Follow the steps suggested in the above linked article.
Reset PRAM. http://support.apple.com/kb/PH4405
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
If these steps do not help, contact Apple.
Best
macbook air not powering
