Windows7 system no sound solution detailed

When you use Win7, you may encounter problems with no sound. I know that some newcomers will think that there is a problem with the computer
, although it is not ruled out, but also from each Aspects to analyze. The lack of sound in the Win7 system is nothing more than a few general problems, hardware, drivers or settings.

1. Set the sound related properties, first enter the control panel —— hardware and sound options

2, click the sound option ——manage audio devices
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3. Under the play tab, there should be a device like a speaker. Double-click to open the Properties window. In the Level tab, keep the speaker-like button in the normal state, as shown in the figure below.

4. Check if there is a problem with the sound card driver. Right click on the computer option in the Start menu, select Properties, go to the Device Manager and see if there is a sound, video and game controller. Yellow or red exclamation point items, if ever, please try to update the sound card driver (downloadable driver wizard auto update).

5. Check if Win7's voice service is disabled. Right click on the computer item in the Start menu, select Manage, enter the service options, and find Windows
Audio Make sure it stays on.

The above method is based on the elimination of hardware problems. Whether you are using a speaker or a headset, you must first check if the device is properly connected to the computer and try to re-plug the audio cable. In this way, the problem of no sound in the Win7 system is solved as easily.