I haven't found a solution suitable for everyone yet (I don't think there is one). There is a creator of "Custom Resolution Utility" on this forum.
He can probably do it, but it's all very individual).
https://www.monitortests.com/forum/Thre ... tility-CRU

It seems to me that the easiest way is the Nvidia system unit "Adjusting the size and position of the desktop".
If someone checks out this trick and tells us, we will be interested and pleased, and thank you.
https://www.thewindowsclub.com/how-to-a ... dows-11-10

Sellers of such TVs like to show their reflection in their underwear. But these are usually ugly men.
If one half is damaged, in most cases the image spoils on the entire screen. But after disabling the corrupted half, he whole half shows the perfect picture. (I got lucky )