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Process Flow 1 First, a cloth is used to clean dust or foreign matter on the touch screen.
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 too tight on 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 one of the U ports.
5 There is a problem with the touch screen driver and reinstall the driver.
Touch screen FAQ II: Touch screen does not respond
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 and driver do not correspond.
5 touch screen screen posted or damaged.
Touch screen common problem analysis
Touch screen common problem 1: touch screen is not sensitive