Zhengzhou monitoring construction deal with a common problem because the computer can not find the card? ATX computer power supply is not. Please use the ATX power supply. Computer PCI slots damaged video surveillance maintenance contract, please test for a slot. Maintenance monitoring board damage, please replaced for testing. 2, the video playback quality is poor how to do? For our DVR in the 'ordinary' compression quality, video playback quality is quite satisfactory. But sometimes found 'mosaic' quite serious, especially for the moving image, the image becomes blurred, mainly because of the brightness of your camera surveillance security dimension too much money, it should pay special attention to the project construction. 3, real-time monitoring of the image is not clear how to do? Maintenance fees can be monitored in the system settings in the digital disk recorder, according to the model of the camera configuration or clarity select "normal camera" or "high-definition camera"; at the same time, you can also adjust the video brightness, color, value contrast and saturation to achieve satisfactory results. Zhengzhou maintenance monitoring company to teach you how to fix the camera is installed above 1. In the pole bracket with galvanized screws, universal activity on the bracket clamps fixed guard back, the video cable and power cable penetration shield, wire and between the shield were closed with a ring, and then weld the BNC video line, fixed test good camera, plug in the power of the BNC and RCA before plugging in the power, cut off the 220V power supply. With screws shield cover, but not all the screws tighten dead. 2. find dirt, be sure to use special lens paper to clean the camera lens. 3. When the camera is installed must pay attention to consider the environmental temperature. Monitoring Maintenance Fees | Zhumadian monitoring maintenance | Source maintenance provided by Zhengzhou source maintenance Electronic Technology Co., Ltd. Zhengzhou source maintenance Electronic Technology Co., Ltd. (www.hnxywb.com) strong, credible, in Zhengzhou integrated monitoring systems and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead source maintenance and you work into the brilliant, for a better future!