On dimanche 7 juin 2020 21:14:20 CEST Gary L. Roach wrote: > I recently up graded this system to Bullseye and then ran into trouble > with the lack of Qt4 and had to re-install Buster. The installation > went fine until kde desktop tried to start. The system froze with the > following message: > > The current input timing is not supported by the monitor > display. Pleas change your input timing to 1920x1200@60Hz or any other > monitor listed timing as per the monitor specifications.
Is the login/password window showing up ? Does this message show before or after logging in ? > I'm using a Dell U2412M monitor on an AMD 64 4 core system. The monitor > worked fine before and still works fine on another computer. I tried > both xrandr and compiz in Recovery Mode. In both cases I got "Can't open > display". In recovery mode, xorg is not running so xrandr has no X server to connect to. HTH