What should I do if there is no sound after the xp/win7/win8 system is connected to the projection device? Computer connected projection device without sound solution

Projection equipment is used during meetings or office work, and computer content can be viewed on a larger screen for easy viewing. But sometimes when inserting the HD conversion cable of the external screen, there will be no sound on the xp/win7/win8 system computer. How to solve it? For the problem that there is no sound after the computer is connected to the projection device, the following small series brings the solution of the computer connected to the projection device without sound. The tutorial can solve the problem with some simple settings. Let's take a look at the detailed tutorial content.
Workaround:
1, click “My Computer”, select Management;

2, select “Device Manager> --> “Sound, Video and Game controller & rdquo;;

3, right-click to select the sub-menu under it (the PC is different, the display is also different), first try & ldquo; scan detection hardware changes & rdquo; whether it can be resolved;
4, if the third step can be solved, then it is possible to drive the reason, if the problem can not be solved, please see the next step;
5, right-click Intel display audio, select “ disable & rdquo;;
6, There is a sound when you turn it back on.
Related reading:
After upgrading win7 system, the computer has no sound but the driver is normal. What should I do? Win7 system computer no sound solution
The above is the introduction of the whole content of the solution after the xp/win7/win8 system computer connected to the projection device, there are users who encounter the same problem, as long as the sound is simple Settings, the problem can be easily solved.