What should I do if there is no sound after the Win7 computer reinstalls the system?

Nowadays, the operation of reinstalling computer systems is becoming more and more simple, and many of them implement one-button installation. Recently, there was a problem with the user's computer, and then I reinstalled the system myself, but after the reinstallation, the problem occurred, that is, the computer has no sound. What should I do? In this regard, we try to solve this problem with the following method.

1, set the sound related properties, first enter the control panel & mdash; & mdash; sound options, under the play tab, there should be a device like a speaker, double-click to open the properties window, in the level tab, in Keep the speaker-shaped button in the normal state, as shown in the figure below.

2. Similarly, if there is no sound in the microphone, go to the level column in the recording tab and keep the sound icon in the normal state.

3, check the sound card driver for problems, right click on the computer option in the start menu, select Properties, enter the device manager, check whether the sound, video and game controllers are yellow or red. Exclamation point item, if ever, please try to update the sound card driver (downloadable driver wizard automatically updates).

4, check whether the Win7 sound service is disabled, right click on the computer item in the start menu, select Manage, enter the service options, find the Windows Audio item to ensure it remains active.

The above is to solve the problem of no sound after reinstalling Win7 system. If the above method can't solve this problem, then the sound card driver may be missing after reinstalling the system. At this time, download the driver wizard to install the corresponding driver. Just fine.