XP/WIN7/WIN8 system computer connected with projection equipment without sound solution

xp/win7/win8 System computer to connect the projector device without sound solution. when meeting or office use projection equipment, you can watch the computer content on a larger screen, so that everyone could watch. But sometimes when inserting the high definition switch line of an external screen, XP/WIN7/WIN8 system computer will occur without sound, how to solve it? The problem of no sound after the computer is connected to the projector, as long as the reference to the following tutorial to do some simple settings can solve the problem, the following look at the detailed tutorial content.

The specific methods are as follows:

1, click "My Computer", choose management;

2, choose "Device Manager"--> "voice, video and game controller";

3, right key to choose its submenu (Personal computer different, display is also different), first try "Scan detect hardware Changes" can be resolved;

4, if the third step can be resolved, then it is possible to drive the reasons, if not solve the problem, please see the next step;

5, right key Intel monitor audio, select "Disable";

6, reopen the sound.

The above is the XP/WIN7/WIN8 system computer connected to the projection device without sound solution, have encountered the same problem users, as long as the sound of a few simple settings, the problem can be easily solved.