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What should I do if the rail screen does not respond?


First, check whether each wiring interface is loose, and then check whether there is a conflict between the serial port and the interrupt number. If there is a conflict, the resources should be adjusted to avoid the conflict. Then check if there is any crack on the surface of the touch screen. If there is any crack, it should be replaced in time.

   If the above parts are normal, you can use the replacement method to check the touch screen, first replace the control box, then replace the touch screen, and finally replace the host.

   The following maintenance can be carried out:

   1. Check whether the connection of the touch screen is correct. One of the connections to the keyboard port of the host (take 5V touch screen working voltage from the keyboard port) is connected, please check the connection.

   2. If the confirmation is not the above, please delete the touch screen driver and restart the computer to reinstall the driver.

   3. If the touch screen is used for a long period of time (3-4 years) and it is found that some areas of the touch screen cannot be touched, it may be that the touch screen is broken. Please replace the touch screen.



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