Ripples on the monitor in games. What to do?

Question

Video cards

Greetings to all readers of this post. I would like to ask you if anyone has encountered a problem, who knows the solution. In general, I bought myself a video card from my hands (gtx 1060, if important), rolled up the latest drava, checked it in benchmarks - everything is buzzing. Monique is old, 60 hertz, connected via a vga-hdmi converter. The problem is this: There is a barely noticeable ripple in games (horizontal stripes going in a wave from top to bottom), if vert is turned off. synchronization. When you turn on the v.s. The ripples are propagating and the vidyukha is underloaded. What to do in this case? What could be the problem? In vidyuhi or monica?
Thank you to all those who took the time to read, and thanks in advance for your help.

Answer 1

> In general
In [space] general
The answer is in the question.
> connected via vga-hdmi converter