Follow this process to disable touchscreen on Ubuntu.
Go to the terminal and type
It says that
xinput is a utility to configure and test X input devices.
It has a lot of options but the one we are interested in is
Then do this:
It will show you something like this:
Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ SynPS/2 Synaptics TouchPad id=13 [slave pointer (2)] ⎜ ↳ Raydium Corporation Raydium Touch System id=15 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Video Bus id=8 [slave keyboard (3)] ↳ Sleep Button id=9 [slave keyboard (3)] ↳ Integrated Camera id=11 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)]
Find the touchscreen system id and disable it.
I initially got confused between choosing Touchpad and Touch System.
I looked up Raydium Corporation and indeed they do touch screens.
In my case the
So I did this:
xinput disable 15
If you feel like you made a mistake and cannot live without the touchscreen then just do the opposite:
xinput enable 15
Using obviously the
id that corresponds to your config.