As I mentioned in the OP, I had already tried using the nvidia-settings GUI, though it turns out I was doing it wrong. That was really the solution but for some reason I just wasn't saving the configuration properly. <br><br>So get this: the "apply" button in nvidia-settings isn't to apply your settings, it's to save them. THEN you can Save your xorg.conf. I found this out the hard way when I tried saving it and noticed right away the xorg.conf it generated was for a GTX 1060. I haven't used a GTX 1060 in my system in almost a year so this was a dead giveaway that this was an older config. Second thing I noticed was that nvidia-settings was saving to /etc/X11 when Arch based distributions like to save to /etc/X11/xorg.conf.d. After I got this sorted out my settings finally applied next reboot. <br><br>So the solution all along was to just click an extra button and move one file, I feel silly.<br><br><br><span>-- <a href="https://bonkmaykr.xyz" target="_blank" title="https://bonkmaykr.xyz" rel="nofollow">bonkmaykr.xyz</a></span><div style="font-family: Arial, sans-serif; background-color: rgb(255, 255, 255);">Proud webmaster of KangWorlds.</div><span style="font-family: Arial, sans-serif; background-color: rgb(255, 255, 255);"></span><br><br>Sent from Proton Mail mobile<br><br><br><br>-------- Original Message --------<br>On Mar 22, 2024, 12:02 PM, Mike Bird via tde-users < users@trinitydesktop.org> wrote:<blockquote class="protonmail_quote"><br>On Fri March 22 2024 08:50:36 bonkmaykr via tde-users wrote:
> I've got an issue where the layout and mode of my displays resets to the
> default at every login. This is despite me setting up the monitors in the
> TDE Control Center, both locally as my user and globally as root, creating
> an X config using the NVIDIA X Server Settings, and having no such issue
> previously when I was still using KDE Plasma.
>
> I'm using the latest NVIDIA proprietary drivers on EndeavourOS, with a
> 1920x1080@60hz display on DP-1 and a 3440x1440@144hz display on DP-2. The
> ultrawide 1440p display is on the right slightly above the smaller one, but
> Trinity and TDM both repeatedly place them in the opposite arrangement with
> the smaller monitor as the default, sitting on the top right corner of the
> larger one. Both displays default to 60hz at login.
>
> I've also tried enabling "Automatically apply profile on startup" and
> creating a profile, but when trying to reload it, X spits out an error
> "xrandr: cannot find mode 3440x1440". I don't get any such error when
> logging on, only when trying to load it manually from control center, which
> makes me think it's not even trying. I have not tested using xrandr
> manually from the command line.
>
> How do I get Trinity to remember my monitor layout correctly? Is this a
> known issue?

Hi Bonkmaykr,

IIRC the key to getting three monitors working happily with TDE and NVidia
was using T Menu / Settings / NVidia Xserver Settings / X Server Display
Configuration, setting things as desired, and then Save to X Configuration
File (and rebooting).  This writes some complicated and in some places
NVidia-specific config to your xorg.conf.  I suggest backing up your old
xorg.conf first.

As it happens my T Menu / Trinity Control Center / Peripherals / Display /
/ Multiple Monitors and my T Menu / System / Screen Size and Rotate / (maybe
click on it in the panel if it went there) / Configure Displays / Resolution
and Layout/ (... Administrator Mode) also know the layout.  I think they
learned it from xorg.conf but it is possible I told them myself at some point.

--Mike
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