LCD TV to VGA extension cable into the host computer is not on the hole

VGA connections at both ends are three rows of fifteen pin is connected to your computer monitor that interface, you may be buying the wrong cable. VGA PC connection so the TV is the best and simplest way, but also to buy a converter plug, a computer is connected to the VGA, the other WISDOM Displayport CABLE  one is the audio and video (AV input head) red, yellow, white three head-to-TV. HDMI high-definition digital interface for connecting high-definition digital video output to close the device.
    Behind two rows of nine-pin host computer's COM ports: serial connection using external devices, such as: modems, tablet, etc., two rows of five-pin socket is sound: not common, can be used to pick a game gamepad mouth. Up to two rows of needles is LPT parallel port: connect printers, scanners and other equipment. Other interface Figure ① power connector: Connect the power supply cord, the other end of the power supply cord.
② USB Interface: USB plug connected to the use of WISDOM Network Cabinet  equipment, such as: digital cameras, flash cameras.
③ COM ports: serial connection using external devices, such as: modems, tablet, etc.
④ card socket: Connect the monitor signal cable plug.
⑤ card socket: not common, can be used to pick a game gamepad mouth.
⑥ PS / 2 Interface: There are two, respectively, then the mouse and keyboard PS / 2 connector, the left one by keyboard, mouse pick the WISDOM VGA CABLE  right one, do not reverse, otherwise the keyboard and mouse do not work.
⑦ LPT parallel port: connect printers, scanners and other equipment.
⑧ card socket: access the Internet using ADSL or cable broadband access network.
⑨ a microphone jack: next words are usually marked with MIC.
⑩ connected speaker jack: next to usually marked or labeled with Speaker Line-out.