Also happens with Ubuntu running Unity when not using light-themes.
In addition there'll be black background flash when switching between directories in Nautilus.
dconf-editor org.gnome.nautilus click on preferences changes subframe to black background.
Also happens with Ubuntu running Unity when not using light-themes.
In addition there'll be black background flash when switching between directories in Nautilus.
dconf-editor org.gnome.nautilus click on preferences changes subframe to black background.