1. Install Xinput Calibrator
- Xinput calibrator is a easy GUI Touchscreen Calibration program for X.Org. Install it from the Ubuntu Software Center or using the command below.
- Open the Terminal Window and enter :
$ sudo apt-get install xinput-calibrator
2. Use xinput calibrator to determine the x and y co-ordinates of your touchscreen. Icon look like this.
Running Xinput Calibrator
3. Add the result from xinput calibrator
Open terminal and enter:
$ sudo gedit /usr/share/X11/xorg.conf.d/10-evdev.conf
then add to the bottom of conf:
Section "InputClass"
Identifier "calibration"
MatchProduct "eGalax Inc. USB TouchController"
Option "Calibration" "65 4005 3967 133"
Option "SwapAxes" "0"
EndSection
4. Logout to restart X11
Finally to enable your calibartion settings log out and back in again to restart X11.
Source:
https://wiki.ubuntu.com/Touchscreen
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