Reboot
how do you safe reboot MacBook Air
iPhone 5, iOS 7.0.4
how do you safe reboot MacBook Air
iPhone 5, iOS 7.0.4
Safe boot
* shutdown
* start the Mac and *wait* for the startup chime to sound
* after the sound, press and hold down the shift key
* keep holding and *wait* until the grey Apple logo appears
* now release the shift key and just wait (it could take a few minutes)
* eventually the login screen appears with the words SAFE BOOT
* continue to login to see if the problem goes away.
See this link to see what happens during Safe Mode.
Mac OS X: What is Safe Boot, Safe Mode?
Reboot