I saw the PM.
You can split the topic if you want
I splitted the topic and moved it to nerd chat.
First I tried with Intel's own app, I got the "The custom resolution exceeds the maximum bandwidth capacity" even when I'm not increasing stuff at all. I found the answer on the internet [1
CRU is also not working. It can set custom resolutions, but they are not visible, even after running restart.exe
They also mentioned this on their website:
Intel's graphics driver does not support EDID overrides
Laptops with switchable graphics are not supported
I found another tool named DTD Calculator
but it only shows my internal display, not my monitor