Hi, i changed the resolution of the screen on gnome and the screen went black ¿ how do i restore the default resolution ? The screen still black … !
Thanks a lot … !
what is the output 
gsettings get org.gnome.mutter experimental-features
For getting a promt to try @ishaan2479 question you should try to press ‘ctrl+alt+F2’ and login there.
‘ctrl+alt+F7’ brings you back to your gnome. 
Output: @as [ ]
fractional scaling or resolution??
Resolution
type xrandr in terminal and it will show the names of different outputs available on the system and also check all the supported xrandr resolutions by your X server. in my case my primary output was eDP-1 and default resolution was 1920x1080
next use this commad to set your screen resolution:
xrandr --output eDP-1 --mode 1920x1080
Hi @ishaan2479, I resolve changing the parameters in the ~/.config/monitor* file … anyway thanks … !
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