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2 Open the touch screen software to calibrate it.
3 Loosen the screws on the back of the LCD screen, which may be caused by the tightness of the top of the touch screen.
4 Replace the touch screen data cable USB port with a U port, which may result from insufficient power supply or damage of a U port.
5 There is a problem with the touch screen driver and reinstall the driver.
Touch Screen Frequently Asked Questions II: Touch Screen No Responsive Process Flow 1 Check whether the touch screen control card has a green light blinking: Determine if the power supply is normal.
2 whether the calibration procedure can be opened: determine whether the control card is normal or not.
3 Change the USB port of the touch screen data cable to U port detection.
4 The touch screen driver is not installed, or the USB port does not correspond to the driver.
5 touch screen screen posted or damaged.
Touch Screen Frequently Asked Questions 1: Touch Screen Insensitive Process Flow 1 First, use cloth to clean the dust or foreign matter on the touch screen.