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   What should I do if the touch screen of the LCD touch all-in-one machine cannot be calibrated?

1) It is possible that the touch screen control card received an operation signal before the host started loading the touch screen driver program. Please power off and restart the computer and recalibrate.

2) It may be due to abnormal installation of the touch screen driver. Please remove the driver and reinstall it. (Remove from the Add/Remove program in the control panel.)

If the issue cannot be resolved, please contact Detian online customer service.

With the advancement of technology, touch screen skills have also gone through a process of gradually advancing and developing from low-end to advanced. Nowadays, manufacturers of touch all-in-one machines are everywhere, and there are also various types of touch all-in-one machines.

The application range of LCD touch all-in-one machines in China is very wide, mainly for querying public information, such as business inquiries from telecommunications bureaus, tax revenue bureaus, banks, power and other departments; Information search on urban streets; In addition, it can also be widely used in leadership offices, industrial control, military instructions, electronic games, ordering songs and dishes, multi TV teaching, real estate pre-sales, etc. In the future, we still need to enter our homes. With the growth of cities towards the goal of informatization and the penetration of PC networks in daily life, information queries will appear in the form of LCD touch all-in-one machines displaying the tangible meaning of the interior.

For operational convenience, many people use LCD touch all-in-one machines instead of mice or keyboards. When working, we must first touch the screen installed at the front of the monitor with our fingers or other objects, and then the system locates and selects information input based on the icons or menu elements touched by our fingers. The LCD touch all-in-one machine consists of touch detection components and controllers; The touch detection component is installed in front of the display screen to detect the user's touch position and take over the feedback controller; The primary function of the controller is to absorb touch information from the touch point detection assembly, convert it into contact coordinates, and then send it to the CPU. It can also absorb commands sent by the CPU and execute them.