What to do when your MacBook is stuck on the Apple logo?
Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear. Quit Disk Utility and return to the Utility Menu. Restart the computer from the Apple Menu.
How do you reinstall OS X on a Mac?
Reinstall OS X by booting from the Recovery HD using the Command and R keys. When the Utility Menu appears select Reinstall OS X then click on the Continue button. Erase and Install OS X Restart the computer. Immediately after the chime hold down the Command and R keys until the Apple logo appears.
Where is the Apple logo on my MacBook Pro?
Your Mac shows an Apple logo when it finds your startup disk, which is usually the disk built into your Mac. As startup continues, you should see a progress bar, with or without the Apple logo.
What should I do if my MacBook Air wont boot?
If using a MacBook Air (Late 2010), plug the MacBook Air Software Reinstall thumb drive into your USB port before following the steps above. This process forces your Mac to rebuild a file called mbr_cache. It’s basically the cache file for your master boot record–the file that your Mac needs to startup .
What to do when your MacBook Pro wont turn on?
Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Then turn your Mac back on. If the issue persists, press and hold the power button until your Mac turns off. Then unplug all accessories from your Mac, including printers, drives, USB hubs, and other nonessential devices.
What to do when your iMac is stuck on white screen?
Immediately after the chime hold down the Command and R keys until the Utility Menu appears. Choose Disk Utility and click on the Continue button. Select the indented (usually, Macintosh HD) volume entry from the side list. Click on the First Aid button in the toolbar. Wait for the Done button to appear.