I have this constant plaguing issue with Cinnamon Desktop where it will always forget the set display resolution and refresh rate. I have tried every known solution that I could find to permanently set Desktop Resolution and Refresh Rate. I have a 1080P monitor that can output 144Hz, but if I’ve needed to reboot or the monitor gets disconnected, it will default the refresh rate to 60Hz, and I can always tell it’s running at 60Hz because things look a little more stuttery just by looking at mouse cursor movement or dragging windows around. It’s only until after I set in Nvidia Settings to tell it to run 1920x1080 144Hz from the display settings… I always always have to open Nvidia Settings every time I login or when the monitor gets disconnected to make it run at its full refresh rate and resolution.
I have tried deleting the Monitors.xml file that Cinnamon uses, and make it create a new one by first set resolution and refresh rate in NvidIa Settings, but don’t hit Apply here, but instead then open Display Settings within Cinnamon Settings and click Apply there, some sources online says this can fix this, but in my case it doesn’t. I have even specified explicitly in my xorg file, the one located under
/etc/X11/mhwd.d/nvidia.conf but seems to ignore whatevers put in the monitor section. I’ve even got an EDID file of my monitor listed in the the config file.
So here in the following config I did list out the monitor thing multiple times both for Screen and Monitor sections, because I dunno which one it takes priority from when I tried switching it around, but doesn’t seem to matter where I list them in the config, it’s just not read at all by Cinnamon Desktop. Specifically this IS a Cinnamon Desktop issue, not Nvidia issue, I tested by switching out to a different Desktop Manager other than Cinnamon and it’s only in Cinnamon this is an issue, which makes not sense.
If I could I would just have it auto-apply this on login with a script, HOWEVER… a problem with this is that it will only run ONCE at login, it won’t work if the monitor later gets disconnected, and ALSO I couldn’t find anything in the Nvidia config documentation of HOW to set the Desktop Resolution and Refresh Rates with
nvidia-settings command line to put it into a script for a startup script anyway. The documentation is so convoluted and confusing to bother reading through everything, since it’s written like you need to program code for drivers to be of any use.