Andrew, that is not the problem I described. I do _not_ close the lid.
When I run "xrandr" from a terminal the external display goes black. My laptop screen is fully lit all the time.
My guess is that either xrandr itself, or the graphics driver, does something weird...
Andrew, that is not the problem I described. I do _not_ close the lid.
When I run "xrandr" from a terminal the external display goes black. My laptop screen is fully lit all the time.
My guess is that either xrandr itself, or the graphics driver, does something weird...