this post was submitted on 31 Aug 2023
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[Help] Monitor settings reset on boot (lemmy.ml)
submitted 1 year ago* (last edited 1 year ago) by Crabhands@lemmy.ml to c/linux@lemmy.ml
3 comments fedilink hide all child comments
 

I'm running Pop! OS. Having a problem where i need to reconfig my monitor settings every time i boot.

Hardware is GTX 1080. Monitors are as follows:

  • GPU DVI to DVI monitor
  • GPU display port to DVI monitor
  • GPU HDMI to 5.1 audio reciever, with HDMI to HDMI monitor 3.

On boot up monitors 1 and 2 are mirrored, and 3 may or may not need to be turned on and off a few times to work properly.

Everything is up to date, including OS and Nvidia drivers. I duel boot with Windows 10, and Windows works perfectly.

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[–] DrWeevilJammer@lemmy.ml 8 points 1 year ago (1 children)

Ooh, I know this one! Here's what I did to get it working and set so it survives a reboot:

  1. In a terminal, run sudo arandr
  2. Set all of the monitors to 1080p
  3. Close arandr
  4. Go to Settings > Display
  5. Rearrange monitors in correct order if necessary
  6. Set the each monitor to the correct resolution and frequency, applying the settings after each update
  7. All monitors should now work, BUT they will not survive a reboot in Pop-OS 22, because the GDM3 login screen will NOT have this information, and will reset everything. So we must copy the pop-os monitors.xml file to the gdm3 config directory:

sudo cp ~/.config/monitors.xml /var/lib/gdm3/.config/

Note: You may need to do this as sudo -i

  1. Reboot, and all 3 monitors should be loaded in the correct positions, at the correct resolution at the login screen
[–] Crabhands@lemmy.ml 2 points 1 year ago

Thank you! I'm a new user to linux. Went through 4 distros this month until this one, that doesn't seem janky and runs my games at a decent FPS. Having to reconfigure my monitors each reboot was a dealbreaker for me. Your simple instructions worked flawlessly, and i've had 3 reboots without having to change my settings.

I'm not sure if linux is my new forever home yet, but this definitely helps!

[–] ISOmorph@feddit.de 2 points 1 year ago

*Dual boot (a duel is with weapons)

Are you on x11? Wayland oftens handles multi-monitor setups more gracefully. If wayland fixes it and you need x11, you would at least know where to start troubleshooting.