On Mon, 2025-07-21 at 14:58 -0600, Charles Curley wrote: > On Mon, 21 Jul 2025 12:35:48 -0700 > Van Snyder <[email protected]> wrote: > > > I have a desktop system with HDMI graphics on the motherboard and a > > graphics card. Here's the output from inxi -G: > > > > Device-1: Intel Raptor Lake-S GT1 [UHD Graphics 770] driver: i915 > > v: > > kernel > > Device-2: NVIDIA GM107GL [Quadro K2200] driver: nouveau v: kernel > > > > It's running Debian 12.11 with kernel 6.1.140-1. > > > > If I connect the HDMI monitor before boot, it works. If I connect > > the > > HDMI monitor after the system is running, it doesn't work. > > If you are running XFCE, take a look at the Display application > (Applications -> Settings -> Display). I expect other desktops have > something similar.
I use KDE. The Settings => Display and Monitor => Display Configuration page only shows the monitors that were active at boot, both of which are connected to the NVidia card. > If you don't mind doing a bit of scripting, look at arandr. It will > let > you set up your monitors, then export a script. You can then select a > script to suit your setup. Or you can call an appropriate one from > your > desktop/window manager's startup code. xrandr --listmonitors lists only the monitors that were connected at boot.

