video wall reddit

Digital signage is a problem that we have discussed more recently, because digital signage is a relatively advanced identification product, and it is also a direction of the development of the sign industry. Therefore, it is reasonable for us to analyze the key points of digital signage. On the one hand, we can strengthen the promotion of digital signage. On the other hand, we can also help the promotion of digital signage. Today, our theme is an integral part of digital signage, that is to say, digital signage. What are the parts? We sorted out the following 4 parts: 1. The shell part, the shell is the part that we can see intuitively. The digital signage is not just a screen. The digital signage we see in reality will be in various shapes, looks very beautiful and generous, not alone The display, therefore, this shell has a very important decorative role. Although it does not help digital signage in terms of function, digital signage is also part of the entire identification system. Of course, the outline of the shape needs to be consistent with the overall style, so , This shell is essentially as important as other identification products. 2. Display, what we have a deeper understanding of digital signage at this stage should be the touch screen. This is a typical display device and an important link between digital signage and users. 3. The operating system and the shell have no soul, and the display itself has no soul.

[Fault Phenomenon] One LCD touch screen doesn’t work, and there is no response when touching any part.   [Fault Analysis and Treatment] First check whether the connection interface is loose, and then check whether there is conflict between serial ports and interrupt number. If there is conflict, adjust resources to avoid conflict. Then check whether there are cracks on the surface of the touch screen. If there are cracks, replace them in time, Also need to check whether there is dirt on the touch screen surface, if there is, use a soft cloth to remove it. Observe and check whether the indicator light on the control box works normally. When it works normally, the indicator light is green and flashes.   If the above parts are normal, the touch screen can be checked by replacement method, first replace the control box, then replace the touch screen, and finally replace the host.   If it is a resistive touch screen, it can be overhauled as follows: 1）Check whether the connection of the touch screen is right, and whether one of the connections (taking 5V touch screen working voltage from the keyboard port) is connected. Please check the connection. 2）Observe the light condition of the touch screen control box. If it doesn’t light up or the red light is on, the control box is broken. Please replace it. 3）If not, please delete the touch screen driver and restart the computer, re-install the driver, or replace the driver with a newer version. 4）If