Turning off the monitor and the subsequent freezing of the Windows 7 system, why does it happen?

Question

Windows

The monitor turns off (it goes out completely) and the system freezes, it happens that it also hangs, but at the same time the screen produces artifacts. I ran the Hard disk for errors, as well as memory and video card, it does not show anything and everything works. Everything happens naturally when the computer starts. games. If there is a solution to this problem, I would like to know it.

Answer 1

Overheat.

Answer 2

Try, if possible, to run the game on another vidyuhi, everything points to crooked drivers or a dead vidyuhi.

Answer 3

The most likely problems of the vidyahi are a chip chip or a microcrack.

Answer 4

Advise how you can check the video card for performance and stress tests, and how to check the power drawdown?!