rog ally 720p problem

Hi!
im playing om Rog ally atm.
And for some reason when i change displaysettings to 720p in borderless fullscreen its not scaling down enough.
part of the game is out of window.
gpu drivers is latest, cfg file is set to 1280x720
is there any fix? i dont recall haveing this problem before. noticed it some weeks ago and it drives me crazy.

Good morning! Thank you for posting in the Final Fantasy XIV Technical Support Forums.

We apologize for any inconvenience that has occurred when playing Final Fantasy XIV. Unfortunately the ASUS ROG Ally is not an officially supported platform, as such we are unable to provide support for the issue described. We will go ahead and move this thread to “General Discussion" instead, additionally we suggest contacting ASUS ROG Ally's support team for further assistance.

Thank you once again for visiting the Final Fantasy XIV Technical Support Forums!