Is the computer monitor black?

Question

Computers

When the system unit was turned on, the entry
missing operating system windows 7 appeared on the monitor,

and the monitor does not show anything, it turned black. I understand it's a hard drive problem. Perhaps a system restore will help. But so what always have to reinstall? What else happened there?

Answer 1

At what the monitor does not show anything, it turned black.

So it does not show anything, or is it still written there

Missing operating system

?
This inscription indicates that you do not have an operating system. And there can be many reasons, from a banal glitch reset by the BIOS, problems with the file system, files or the disk itself ...
Read here
Yes, and Google offers 100,500 articles on this topic.

Answer 2

Not necessary. There are white monitors and monitors of other colors.