2013, XY SCREEN projection screen set up production plants in mainland China screen - Guangzhou-Yun audio-visual equipment, base set up in Guangzhou City, Guangdong Province, put into product categories are screen frame, curved screen frame, the latest micro-cast screen, electric screen, folding screen, easy screen, large-scale projects of electric and projector hanger; curtain material comprises acoustically transparent screen, 3D acoustically transparent screen, metal screen, high-definition soft screen, high-definition glass screen and so on. The company's main product projection screen, projector screen is mainly used in home theater, office culture and education, the micro-projection screens offer, customers are welcome to come to counseling. Symptoms: In the event of a power cable to ensure the projector, data and signal cables are connected correctly, the Haikou micro projection screens, projector lamp and cooling fans are working properly, but not the computer screen projection out, or sometimes projection screen display is incomplete. Reason: Because the projector lamp and cooling fan can function and rule out the possibility of malfunction of the projector, and the computer can be used normally, therefore, rule out the possibility of a computer malfunction. So, where the problem might be on the signal cable or the projector and computer set up. Solution: Most projectors user is using a laptop computer connected to it, then there is no projection may be laptop external video port is not activated due to, then simply hold down the Fn key laptop, then press identified as the corresponding function key LCD / CRT or display icons, such as the F7 key to switch to 2013, XY SCREEN screen projection screen set up production plants in mainland China - Guangzhou-Yun audio-visual equipment, base set up in Guangzhou City, Guangdong Province, production of the product categories are screen frame, curved frame screen, electric screen, folding screen, easy screen, large-scale projects of electric and projector hanger; curtain material comprises acoustically transparent screen, 3D acoustically transparent screen, metal screen, high-definition soft screen, high-definition glass screen and so on. The company's main product projection screen, projector screen is mainly used in home theater, office culture, education, etc., welcome customers to consult. Surface of the screen with a magnifying glass to see, micro-cast curtain wholesale, but it is still uneven, dirt dust particles is small, will enter or fill the recessed hole, so we use a cotton ball to wipe, always indelible, because cotton ball fiber diameter much larger than the diameter of the recessed hole, but can not clean out the pit of dust pollution. Therefore, we use tools, be sure to choose the molecular particles as small as possible to erase tool, such as a polymer like the sea. The kind of sponge particles that are small, to be cleaner wet after softening WuChen can fully remove the pits of dust pollution. According to our experience, we can handle basic white as new micro-cast curtain factory, male cloud audio-visual equipment, Haikou micro-projection screens provided by the Guangzhou-Yun audio-visual equipment. Guangzhou-Yun audio-visual equipment (www.xy-screen.com) located in Panyu District of Guangzhou City Tung Chung Town simple industrial zone in Guangdong Province. Scraps and development in the wave of market economy, the current male cloud audio-visual equipment has a high profile in the film projection equipment, and enjoys a good reputation. Clouds hung audiovisual equipment made the whole network business alliance certification, marking our service and management level has reached a new height. Male cloud audio-visual equipment staff is willing to all people of insight and common development, for a better future.