Set display settings for another user in ubuntu

I am using ubuntu 20.10 on a laptop and I have the close lid setting to ignore so I can close it and it still works on my external monitor. I have added a new user, but when I log in as the new user, these setting apparently do not transfer over. When I login as the new user, I get a blank screen(s) Is there a way to

a) when I first boot up, use the dual monitor settings, and

b) I have the laptop tucked away nicely in a rack with a lot of things hooked up to it and I don’t want to have to take it out every time I add a user. How do I set a users display settings from the terminal?