Some users have complained about this problem that when they start their computer, it doesn’t boot. Instead, a Default Boot Device Missing or Boot Failed blue ...

The boot drive's format and partition structure can be checked both in the OS X graphical interface and in the Terminal. Topher, an avid Mac user for the past 15 years, has been a contributing author ...

While using these suggestions, make sure you have enough permission on the user account for any needed modification. Boot Camp Assistant might stop responding, or installation failed. Startup disk ...