Usually because the monitor does not support a host sent display modes are often higher than the monitor display mode, the screen image caused confusion, full color led display, can not see images and text on the screen. If you are having a pattern automatic recognition of monitor, there may be black screen, indoor led display, but then the bottom panel indicator is green. Then you can restart the computer into safe mode, after 640 * 480 display mode to change, start again the computer can be restored. If this method does not work, can in safe mode to remove the graphics driver, then in normal mode again to install the graphics driver. Also at the time of graphics memory malfunction occurs a fixed position on the display screen chaos, while the rest was normal. There are also individual graphics damage caused Huaping, Changyang led display, but this is a very small chance. Two, 8bit color multi-tone correction technology used in conventional display systems display hierarchy, so in some of the low grayscale and color over color stiff. Colored light can also cause suited. The new LED large screen control system uses a 14bit color display hierarchy, much improved over the color in hardness. So that people can feel when watching the pastel colors. Avoid people light discomfort. Full color led display | 金锐光 electricity (Online) | Chang Yang led display provided by the Science and Technology Co., Ltd. Yichang 金锐光. Yichang Jinrui Guang Technology Co., Ltd. (www.ycjrgd.com/) Hubei Yichang, Electronics & Electrical Project Cooperation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In Jinrui Guang electric leadership with the staff warmly welcome all inquiries negotiations to create a better future Jinrui Guang electricity.