filter gallery screen black - I am 8 bit and RGB

[metg804!]

 this is what screen looks like

[c.pfaffenbichler]

Check this out: 

https://www.take-a-screenshot.org

Does turning off »Use Graphics Processor« in the Performance Preferences (Photoshop > Preferences > Performance > Graphic Processor Settings) and restarting Photoshop have any bearing on the issue? 

Does turning on »Deactivate Native Canvas« (Photoshop > Preferences > Technology Previews) and restarting Photoshop have any bearing on the issue?