I have a tv OKI v19b-led3. On the label it says 50hz and HD ready (1280x720). I have it connected as second monitor but in Windows 11, it says it can only go to 640x480 and 60hz:
Listing all the modes also show the same:
In AMD there is something called custom resolutions:
But it didn't do anything. Btw, this is my system prefs:
In devices manager everything seems updated and I can't find specific drivers for this. Any solution? How could I force a higher resolution and lower hz?