My Macbook Air (3-4 yrs old) just started this about 3 days ago. It tries to boot up (very slowly). The screen lights, and after about 5 minutes the Apple logo finally appears along with a progress bar. It seems to be doing an install of some kind, then after 10 - 15 mins shuts off without finishing startup. This repeats over and over. Nothing I have tried will stop it shutting off OR get it to finish starting up. Please help!
MacBook Air
Hey afoster1756,
If you cannot get to actually use your computer, take a look at the article below to look at what could be causing your start up issues. It will have you try starting up in Safe Mode. When you do Safe Mode, it will look similar to how it currently starts up so be patient. If it still behaves the same, then try using Disk Utility to repair your hard drive. To do that you will need to boot to Recovery HD or Internet Recovery to get it loaded up. For more information on how to acomplish this, take a look at the article below to get you going.
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
https://support.apple.com/en-us/HT203176
Take care,
-Norm G.
Hey afoster1756,
If you cannot get to actually use your computer, take a look at the article below to look at what could be causing your start up issues. It will have you try starting up in Safe Mode. When you do Safe Mode, it will look similar to how it currently starts up so be patient. If it still behaves the same, then try using Disk Utility to repair your hard drive. To do that you will need to boot to Recovery HD or Internet Recovery to get it loaded up. For more information on how to acomplish this, take a look at the article below to get you going.
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
https://support.apple.com/en-us/HT203176
Take care,
-Norm G.
Macbook Air stopped booting up
