The touch screen does not work properly FAQ
From Wiki
Solution steps
Solve the problem that the touch screen does not work properly (but not for the case where the touch screen does not work). For example, a blue selection box will appear in different places on the screen, and a character delay will occur when using the virtual keyboard. etc.
solution:
1. Download and unzip the file "ilitekUSBUpgradeTool.zip" to your computer.
2. Run the application software "ilitekUSBUpgradeTool_v2.3.5.7.exe".
3. Plug the USB on the left side of the RasPad into your computer. Boot RasPad and don't install the Raspberry Pi.
4. Update the driver according to the file "ILITEK_TP_FW_UPGRADE_TOOL_v2.0.0.0_ENG.pdf".
5. After the update is complete, you can install Rasberry Pi and use RasPad.