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Human-machine interface is a medium and dialogue interface between humans and computers to exchange information and exchange information. It is a medium for users and systems to exchange information. As long as it is in the field of human-machine communication, there will be man-machine interface, but the use of human-machine interface In the process, you often encounter many problems. Here's how to deal with these failures.

First, the man-machine interface is normal but the computer cannot operate. There are two reasons for this situation. One is that the driver version of the HMI is too low, and the latest driver needs to be installed; the other is the control card of the HMI before the host starts to load the HMI driver. After receiving the operation signal, it is only necessary to restart the computer after the power is turned off.

Second, the touch is inaccurate. Touching the screen with a finger does not normally complete the corresponding operation. This phenomenon generally has two kinds of situations. First, the conditions for launching the sound wave screen are slightly damaged. If this situation is encountered, it cannot be completely repaired; and secondly, the sound wave human-machine interface is used for a period of time, and the periphery of the screen is launched. The stripe is covered with dust and can be wiped with a dry, soft cloth, then power off, restart the computer and recalibrate.

Third, the human-machine interface does not respond. No response is touched on any part. In this case, first check the looseness of each connection interface, and then check whether the serial port and the interrupt number conflict, if it is due to a conflict, then adjust the resources to avoid the conflict. Secondly, check the surface of the man-machine interface for cracks. Replace them if any cracks are found. In addition, the surface of the man-machine interface needs to be inspected for dirt. If dust is removed with a soft cloth. Observe that the indicator on the control box is working properly. When it is normal, the indicator is green and blinks. If the above parts are all normal, you can use the replacement method to check the man-machine interface, replace the control box first, replace the touch screen, and finally replace the host.