I'm trying to setup my display at 2560x1440 @60Hz. I can use xrandr and it all works.

I've created a script in /usr/local/bin to do this on startup but cannot get it to run prior to login screen prompt.

I've tried creating a lightdm.conf file and added


but no luck.

Anyone able to help with this?


You no need to run the script at startup each time you can permanently set resolution like this:

sudo xrandr --output HDMI-1 --mode 2560x1140

You can get list of your display by running:

xrandr -q

Just make sure the resolution you're trying to set is supported by your monitor.

  • Thank you. I understand what i need to do. That is what my script does, and it works on other distros. Just does not get executed with elementary when added to lightdm.conf – Prem May 1 '20 at 10:15

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