Booting the system with both displays attached shows only the working monitor in the display settings.
When booting the system with only the non-working monitor attached actually shows the desktop on the non-working display, but in a wrong resolution - and the display settings application does not show any monitor at all (see screenshots).
Booting the system with both displays attached shows only the working monitor in the display settings.
When booting the system with only the non-working monitor attached actually shows the desktop on the non-working display, but in a wrong resolution - and the display settings application does not show any monitor at all (see screenshots).