The host computer is normal, the mouse and the keyboard display lights are on, the display of the display is also bright, is the black screen (the display is good), and occasionally with the boot, but most are boot screen black screen more
Need to use dual power supply interface USB extension cable, the current market quality of the wire is not very good, buy their own USB connector and coaxial cable welding bar
Wireless card on the extension line requirements are higher, more than 10 meters will be insufficient power supply, frequent dropped calls, even if the separate power supply, but also because of usb data transmission can not access the Internet. If you need a long extension line, the better way is to use rj45 interface wireless card, extension line can reach 100 meters. You can Fort Fort search: wifi wireless network card rj45 interface cable can be connected to the router can receive cmcc more detailed There is a way in the usb network card near the open usb data cable, find the power supply of the two lines, plus 5v Power, pay attention to polarity, do not make mistakes. But the extension line is too long, stable connection is unlikely.
0.15 m. See the "Urban Engineering Pipeline Integrated Planning Practice" GB-98
