Calibration of touch screen not working? cant load `sudo DISPLAY=:0.0 xinput_calibrator`

Diy and Tweaks
69

sudo nano /etc/X11/xorg.conf.d/99-calibration.conf

Then subistute the current content of the file with

Section "InputClass"
        Identifier      "calibration"
        MatchProduct    "[wch.cn](http://wch.cn) USB2IIC_CTP_CONTROL"
        Diver "evdev"
        Option  "Calibration"   "8172 8195 131161 131525"
        Option  "SwapAxes"      "1"
EndSection

To save the file hit Ctrl+x, y and Enter.