Cause analysis of touch screen failure of touch all-in-one machine

Touch all-in-one machines can be seen everywhere in everyone’s life and work. For the merchants who use the touch inquiry machine, the touch machine is frequently used in public places, so there will be some big or small problems, so what solutions do we encounter when the touch screen of the touch machine is faulty? method? The following are described below:

1. Touch deviation phenomenon: the position touched by the finger does not coincide with the mouse arrow.

Analysis: After installing the driver, when correcting the position, the center of the bullseye is not touched vertically.

Solution: Recalibrate the position.

 

2. Touch deviation phenomenon: some areas touch accurately, and some areas touch deviation.

Analysis: A lot of dust or scale has accumulated on the screen stripes around the screen of the touch all-in-one, which affects the transmission of the screen.

Solution: Clean the touch screen, pay special attention to cleaning the screen reflection stripes on the four sides of the touch screen, and disconnect the power supply of the touch screen control card when cleaning.

 

3. No response to touch: When touching the screen, the mouse arrow does not move and the position does not change.

Analysis: There are many reasons for this phenomenon, as follows:

(1) The dust or scale accumulated on the sound wave reflection stripes around the surface acoustic wave touch screen is very serious, which makes the touch screen unable to work.

(2) The touch screen is faulty.

(3) The touch screen control card is faulty.

(4) The touch screen signal line is faulty.

(5) The serial port of the computer host is faulty.

(6) The computer system fails.

(7) The touch screen driver is installed incorrectly.