looks like you have the xrandr syntax wrong and you don't need to run it sudo either.

first introduce the mode to xrandr

xrandr --newmode 1920x1080_60 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync Then assign it to the relevant output (e.g. hdmi, dp1 , vga)

xrandr --addmode VGA-0 1920x1080_60

Then make the output use the new resolution

xrandr --output VGA-0 --mode 1920x1080_60

最后于 2021-9-7 被admin编辑 ,原因:
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