Poor power supply or power supply has been aging: Many inferior computer power, could easily lead to poor or power capacity circuit computer can not keep up when the system is busy, the display screen will appear, especially the phenomenon of jitter. Also, if the computer's power supplies aging, it is likely to cause the same problem. Put too close to the speakers: the speaker magnetic field effect generated can interfere with the normal operation of the display, the display screen jitter generation and cross color and other magnetic interference. Caused by a virus: Some computer viruses will disrupt the screen display, for example: character upside down, shake the screen, flip the display graphics. Everywhere online screen jitter script, is enough to make you move after the head as big as a cow. Display card problems: closely monitor display and graphics card, led display software, computer screen failure may consider whether or not the graphics reasons, such as: bad graphics. Response time refers to the liquid crystal display each pixel of the input signal reaction speed, led display repair, this value is of course the smaller the better. If the response time is too long, it may cause the liquid crystal display when displaying moving images, led display manufacturers, a tail shadow boxes feeling. LCD response time is usually between 5 ~ 10ms, Yidu led display products and brands, generally reached the response time of 5ms or less, basically to avoid the problems tail shadow boxes. led screen repair | Yidu led display | 金锐光 electricity provided by the Science and Technology Co., Ltd. Yichang 金锐光. Yichang 金锐光 Technology Co., Ltd. (www.ycjrgd.com/) strong, credible, in Yichang, Hubei Province electronic, electrical and other industries cooperation projects accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinrui Guang electricity into the brilliant and you work for a better future!