you have to reinstall the touch driver. and paste the fw file in system32/driver
Thanks for the drivers. works for 1909. For those who clean install windows iso LTSC / 1909 / 2004 whatever build updates, and your touch screen fucks up,
0) In control panel > Hardware and Sound > Tablet PC settings > Calibrate screen > reset
1) download this https://drive.google.com/open?id=1xCS0wzEdJjfMb1MiOKVMOTBSLuwRf9kS and unzip
2) Run double driver as administrator
3) locate the zip file containing driver, restore
4) Copy SileadTouch.fw to C:/Windows/System32/drivers
5) Restart and everything should work
tags: yql080swi114 touchscreen calibration