No sound may be a computer: the computer does not sound: basically does not appear, speaker market booming, the current board is integrated sound card. Or inherently bad. Ha ha. Computer has no sound may TWO: Headphones question: replace one speaker industry's leading shares, the last try on another machine. Computer has no sound might III: the sound is turned off: look at the bottom right of the voice icon, is not sound is turned off or the minimum volume to be pulled up. Open the computer has no sound on the line may be four driver problem: If you do not see a sound icon in the lower right corner, it may not install the sound card drivers, speakers, right-click "My Computer" and select "Properties" command, then Click "Device Manager" tab, select "View devices by type." See if there is "Sound, video and game controllers" that was hit by an exclamation mark crossed, good speaker sector stocks, a note of your computer sound card is not the correct driver (or basically do not drive too), so Your computer is certainly no sound, and how to do, find the original motherboard driver CD installation. Or look at the motherboard model to drive home one. Speaker, Wuhan Jiuhua video, speakers provided by Wuhan Engineering Co., Ltd. Jiuhua video analysis from structural principle. Speaker, Wuhan Jiuhua video, from a structural principle analysis speaker Wuhan Engineering Co., Ltd. Jiuhua video (www.jowa-tech.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Mr. Lu.