@mdimart Remove from the case and test it to see if it is not the case that is causing the problem. Test with another HDMI port too, not only with an HDMI port.

@mixalakis989 It is a known problem between 4k TVs and RPi4, it will be fixed in the next version: Fix detection of 4k screen (#1384) (https://gitlab.com/recalbox/recalbox/blob/master/CHANGELOG.md)

@Nickodem Watch this video (enable subtitles): https://www.youtube.com/watch?v=skeULeTu7p8&list=PL2oNQ0AT7fx2ExiSNrfHUzga5GnogI4sh&index=23&ab_channel=Recalbox You are probably facing some kind of incompatibility due to the different versions, as you can see in the video, to ensure that you have no problem, it is recommended to redo the scrape, to update the game lists. If you are trying to take advantage of a configuration file from an old version of the system, it is normal to have problems. The theme is also something that can cause problems, use the default theme to test, or use a theme that has already been updated to version 7.0: https://forum.recalbox.com/category/14/themes-interface