I have a Intel Corporation CoffeeLake-S GT2 [UHD Graphics 630] card and I am stuck at 1024x768 graphics

I want a 1680x1050 resolution. I have tried a few different solutions, but it does not seem to make any difference. I am using secure boot also.

It's an old thread but lots of useful answers:

I tried the solution and it didn't seem to work. I was able to get it to work in my VM though.