How to make the chassis and headphones audible simultaneously in the Win7 computer

1. First of all, let's hit the Start menu of the Win7 flagship computer, and from the Start menu, let's click on the Select Control Panel option.

2. Then we can open the Control panel interface of the Win7 flagship computer, in the Open Control Panel interface, we click on the selection of the "Realtek high-definition Audio Manager" option, if you do not see this option in the interface, we first in the upper-right corner of the view to a large icon, Then you can find this option.

3. After that, we click to enter the upper right corner of the "advanced equipment", and then select the interface "in the insertion of the front headphone device, so that the rear output device mute, complete after we" point "OK" exit. If this is the default, you do not need to change it, and then click to enter the folder icon as shown in the diagram; Finally, we check "Disable front panel settings when detection", click OK to exit. Then you can use both speakers and headphones, switch speakers, headphones have sound.