How to solve the problem with the monitor?

Question

Iron

My monitor supports a frequency of 75Hz, but for some reason this frequency cannot be selected, and I added it with a third-party program. Video card R9 290x. With drivers from the manufacturer's website, everything was fine, but when updating to the latest ones on the AMD website, the monitor started flickering at 75Hz, and the message "output type is not supported" is displayed. HDMI connection.
How to solve the problem without rolling back the drivers?

Answer 1

So, all the same, tft monitors work at 60 and there is 3d at 120 and 100
, it worked at 75