1, First of all, find the sound icon in the lower right corner of the computer screen, and then right-click, select recorder, in the pop-up window, let's switch to the recording column, check the current status, whether it shows that the microphone and line input are \"not inserted\" state.
< br >
2, then switch back to the play column, and check whether the speaker below is not inserted.
< br >
3, if the above view is not inserted, click the Start menu, enter the control panel, and then enter the Realtek high-definition audio Manager interface, then click the folder in the upper right corner of the open window, it will pop up the jack Settings window, \"Disable front panel jack detection\" this item checked, and then click OK to save the Settings.