Start up the computer is not how to do ah?

Users questions: My computer is a Dell, and recently discovered a few days after the start, when entering the windows operating system, when the screen display windows, the computer on a black screen, but the hosts still lit, but also long before the power supply by the host to light out, this is where a problem ah?
Experts answer: is System a problem. Recommended reinstallation.
  • This information provided by the users.Thanks!