[Ubuntu] 해상도가 깨질때

1)

sudo ubuntu-drivers autoinstall

 

 

2)

sudo nano /etc/default/grub

#GRUB_GFXMODE=640x480 -> GRUB_GFXMODE=1920x1080 

sudo update-grub

sudo reboot

 

 

 

 

+)혹시나 둘 다 안되는 사람이라면 

https://sweetdev.tistory.com/951

 이 방법을 확인해서 해결하는것도 좋아보인다!! 난 이렇게 해결했다 :)

 

 

[출처]

https://askubuntu.com/questions/441040/failed-to-get-size-of-gamma-for-output-default-when-trying-to-add-new-screen-res

Failed to get size of gamma for output default when trying to add new screen resolution