how to turn on macbook air that wont turn on

Unplug the MagSafe or USB-C power adapter from the MacBook.

It’s possible your computer isn’t responding because the SMC needs to be reset. The system management controller is a chip in Intel-based MacBook Airs that runs various components, such as the keyboard, cooling fans, and power buttons. Reset the System Management Controller (SMC) Simply press and hold the power button for ten seconds. Be sure to check if the issue persists before restoring your data.This is a common technique for fixing an unresponsive MacBook-especially if the screen is frozen. If the issue persists after reinstalling OS X, then follow the ' Erase your drive and install OS X' section in the article linked in step 6. If the issue still occurs, then continue to step 6.ħ. Please make sure to quit all third party apps before shutting down your MacBook Air. Since issue does not occur in the Test User account, it is specific to your user account and it is possible a third party app or process that is causing it. If the issue does not occur in the Test User account, then continue to step 5.ĥ. If the issue also occurs in the Test User account, then continue to step 6. How to test an issue in another user account on your Mac Check if the issue occurs in a Test User. If the issue persists after completing that step, then continue to step 4.Ĥ. Follow the 'If an issue doesn't happen in safe mode' section in the article linked in step 1. If your MacBook Air did not restart in as expected in Safe Mode. If your MacBook Air restarts normally in Safe Mode, then allow the MacBook Air to boot to your desktop, and verify if the issue persists. Restart your MacBook Air while in Safe Mode. Try safe mode if your Mac doesn‘t finish starting upĢ. Once the backup is complete please force shutdown your MacBook Air, and follow these steps: Use Time Machine to back up or restore your Mac Here's an Apple knowledge base article with steps: To start, let's make sure we have a current Time Machine backup of your MacBook Air's data. I'm happy to provide you with some direction to resolve this. From your post, I see that your MacBook Air isn't able to shutdown, restart or log out of your user account as expected. Welcome to the Apple Support Communities.

How to turn on macbook air that wont turn on