Is MacBook air blue screen on startup giving you trouble ? MacBook air is such an advance computer that its users rarely get in to trouble using it. You are used to see a grey screen at start up in the mean while system searches for the start up drive. After the drive is detected you see a blue screen where the system loads the data for booting. Then you get the desktop to work on. But if there is a problem with the start up drive the MacBook air blue screen on startup get freezed and the desktop do not show up. This is type of problem which you can not handle manually if you don't have a sound knowledge of computers. You must try to boot the system in the safe mode or use the in built Apple Disk Utility to fix MacBook air blue screen on startup. If the problem is not solved then you must consider to use a third party software for restoring all data which was lost during the fixing of error. It can also fix any corruption in the files so that the system does not show MacBook air blue screen on startup.