Win7 system "not plugged in speakers or headphones" workaround

In the process of using the Win7 system, some users reflect that the computer has no sound, and when the user opens the computer's music file, the system also does not have any sound out, in the lower right corner of the computer desktop, the taskbar appears "not inserted speakers or headphones" prompts. What should we do in this situation? Following the small series together to understand the specific solution!

The method is as follows:

1, the mouse right click win7 system taskbar "volume" icon;

2. Open the sound panel and switch to the Recording tab on the Open Sound Panel;

3, in the microphone display, set the display "not inserted";

4, switch to the "Play" tab to see if the speaker Realtek High Definition audio shows "not inserted";

5, in the line input Realtek high Definition audio on display as "not inserted", you can enter the WIN7 system control Panel;

6, then in the control panel into the "Realtek High-definition audio Manager";

7, in the Open window, click on it, check "Disable front panel jack Detection", and then click OK button to save