If you're seeing the error "No Boot Device Available" when you start the computer, then you're having an issue with your hard drive. This error might be reparable ...

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 ...

If you have multiple operating systems installed on your computer, or if you are trying to boot off various utility or other boot disks, you may run into problems where using an alternative or desired ...