Xrandr and external monitor

[H]

On January 1, 2025 8:22:03 PM GMT-05:00, Fungal-net <fungalnet at protonmail.com> wrote:
>
>> > The monitor is an Acer S230HL monitor.
>> > 
>> > I am using the nouveau driver and inxi reports the presence of both
>> > Intel UHD Graphics 620 and Nvidia GM108M (GeForce 940MX).
>> 
>> 
>> The kernel is:
>> Linux dell 5.14.0-503.15.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Tue
>Nov 26 17:24:29 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
>
>https://forums.rockylinux.org/t/nvidia-drivers-on-rocky-linux/12366
>
>Basically the misc-nonfree-firmware pkg from debian should be available
>through rocky
>According to the instructions for nvidia above should make it work.
>I don't have any experience with any rh related systems, not even a vm
>out of curiosity 
>5.14 is not even an LTS kernel, it is an abandoned kernel for years ...
> 5.10 5.15 6.6 
>are among the lts I've had better lack with with old and new hw.
>
>Make sure that after installing and your rpm thing reconstructs your
>kernel images it is
>best to reboot for the effects to be realized.
>
>Basically the kernel and udev is what works and identifies the screens,
>mesa and X just use what is there.  xinerama is what handles the output
>of 2 or more screens to construct a multi-monitor arrangement.  

Should I do any troubleshooting with xinerama before I try the Nvidia driver? If so, what would be worthwhile trying?