Splicing Screen Flower Screen Problem

LCD splicing screen, as an important security product, has played an important role in promoting the development of the security field. As an essential terminal product for video surveillance systems, the LCD splicing screen has excellent display performance and high-definition quality. highly valued. Let's take a look at the splicing screen signal interference shielding and Huaping!


First, check the video card connector to check whether the connection between the LCD splicing screen and the video card is loose. Poor contact can cause "clutter" or "noise"-like flower screens to be the most common phenomenon.

Second, check the video frequency Check the connection between the LCD splicing screen and the graphics card is loose. Poor contact can cause "clutter" or "noise"-like flower screens to be the most common phenomenon.

Third, check the quality of the graphics card to check the quality of the graphics card. If the video card appears after the replacement of the video card, and after the first and second strokes fail to work, check whether the anti-electromagnetic interference (EMI) and the quality of the electromagnetic shielding of the video card are over. The specific method is: Place some components that may produce electromagnetic interference away from the video card installation (such as hard disk) as far as possible, and then see if the flower screen disappears. If it is determined that the electromagnetic shielding function of the graphics card is off, the graphics card or the self-made shielding cover should be replaced.

Fourth, check the graphics resolution or refresh rate Check the resolution or refresh rate of the LCD splicing screen is set too high. The resolution of the LCD splicing screen is generally lower than that of the CRT monitor. If it exceeds the highest resolution recommended by the manufacturer, the phenomenon of flowering may occur.

5. Check the graphics card driver to check if an incompatible graphics card driver is installed. This kind of situation is generally easy to overlook, because the graphics card driver is updated faster and faster (especially NVIDIA graphics cards), and some users can't wait to install the latest version of the driver. In fact, some of the latest drivers are either test versions or versions that are optimized for a particular graphics card or game. Using such drivers can sometimes lead to the appearance of flower screens. Therefore, it is recommended that you use Microsoft-certified drivers as much as possible. It is best to use drivers provided by the graphics card manufacturers.

Sixth, check the liquid crystal display If you use the above five strokes, still can not solve the problem, there may be the quality of LCD splicing screen. At this point, replace the other monitor for testing.

This article was edited and published by Emperor Aidi. Reprinted, please indicate the source

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