@suzsuzuki Try changing the n64.videomode parameter in the recalbox.conf file.
https://wiki.recalbox.com/en/tutorials/video/display-configuration/complete-video-configuration-guide https://forum.recalbox.com/search?term=n64.videomode&in=titlesposts&matchWords=all&sortBy=topic.lastposttime&sortDirection=desc&showAs=posts