Touch screen use frequency is very high, so it is inevitable to encounter some problems, provide the following solutions, for reference only.
Detect whether the touch screen control card has green light flashing: judge whether the power supply is normal;
Whether the calibration procedure can be opened: judge whether the control card is normal or not;
Change the USB port of the touch screen data cable into a U port for detection;
The touch screen driver is not installed, or the USB port does not correspond to the driver;
The touch screen is considerate or damaged.