Troubleshoot windows 7 computers without sound, microphone no sound

Solution 1.

1, in the computer "start"-"Control Panel"-"Voice options", where we will be the machine to the Yang Sheng to debug to see if it is correct.

2, the microphone is not sound also in the Control Panel voice options can be modal.

3, check the sound card driver is not a problem, right-click the Start menu's computer options, select Properties, go to Device Manager, and see if there are any items with a yellow or red exclamation mark in the sound, video, and game controllers, and if so, try updating the sound card driver (Download the Driver Wizard to update automatically).

4, to see if the system's voice service is disabled, we right-click on the desktop "Computer" and then click "Management" in the pop-up menu and then we find "services and Applications" in the right window to find a Windows audio to ensure that it remains in a startup state.

Solution 2. Recommended use of 360 computer invoke function

1, 360 computer invoke function is in the 360 guards if you do not have the installation can not use this free service function

2, we in the computer to open 360 guards in the--"360 computer to invoke the following figure.

3, then we in the 360 computer interface input "Computer no sound", and then click the Search scheme, this will have the official recommended automatic repair function, we just click the Immediate repair button can solve your problem.