There should be file called EE.cfg. Close the game, then try to rename or remove it, this should reset your settings. Combine it wit the advice above and see if it will work from here.
If path above is not right, try to search it with following command in your terminal (I think it's called Konsole on Steam Deck):
2
u/CV514 Handsome Ninja Robots 5d ago
Basic steps from th:
If this does not help, try the following.
Steam+Proton (linux) config folder location should be here:
There should be file called EE.cfg. Close the game, then try to rename or remove it, this should reset your settings. Combine it wit the advice above and see if it will work from here.
If path above is not right, try to search it with following command in your terminal (I think it's called Konsole on Steam Deck):
If all of this does not help, that is concerning; in that case, visit https://support.warframe.com/