Ah, you meant dark as in totally black 
Sounds like it might be the issue that started this thread, then (linking to a step that has solved it for a lot of folks): CRITICAL: Black screen in Wayland after recent update - #6 by prasadmurthy
Ah, you meant dark as in totally black Sounds like it might be the issue that started this thread, then (linking to a step that has solved it for a lot of folks): CRITICAL: Black screen in Wayland after recent update - #6 by prasadmurthy