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 ...
You’ll need to use recovery tools. If you don’t have any installation media (like a disc or USB device), contact your PC administrator or PC/Device manufacturer ...