How to start MacAir with frozen blue screen and no light on keyboard?

How do I start my MacAir with frozen blue screen and no light on keyboard?

Hey 7manya,
Thanks for the question. I understand that you are experiencing an issue with your MacBook Air frozen on a blue screen. The following resource provides some troubleshooting steps that may help to resolve your issue:
OS X Mavericks: If you see a blue screen at startup
http://support.apple.com/kb/PH14061
If you see a blank blue screen or a blue screen with a colored pinwheel when you try to start your Mac, but starting up doesn’t progress, you may have a problem with damaged or incompatible startup items or software.
- If you are starting up from a DVD, it must be a disc that came with your Mac or OS X retail package. Discs from other Mac models may not work with your Mac.
- Restart your Mac in safe mode. If the Mac successfully starts up in safe mode, choose Apple menu > Restart to see whether the Mac will restart normally.
Start up in safe mode
- If you see the login window prompting you for a user name and password, but starting up doesn't progress, you may have incompatible login items.
If you think you have incompatible login items
- Repair your startup disk or disk permissions using Disk Utility.
Repair a disk
- Back up your disk, then reinstall OS X.
Reinstall OS X
Thanks,
Matt M.

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