What should I do if there is no sound in the headphones under Win7?

Today, how to do this problem with the headset under the win7 system, share the solution and detailed operation process.
Step by step troubleshooting:
The first step
Exclude headphone failure, two methods.
The first type of headset is used on other devices (other computers or MP3s). If the headphones are normal, the problem is with the computer.
The second type uses other normal headphones to try on the computer, and also determines if the problem is on the computer.





Determining the driver installation (hardware usage requires driver support, although the sound card driver is usually installed, but to eliminate the problem or carefully exclude it) Run software or security software such as driver wizard Drive detection function.
If the driver is not installed, install the update driver. If it is already installed, go to the next step. Step



click into the control panel window device manager, and select the sound volume inside the device manager in the management (by the mute detecting whether or volume is too small)


Step 4
Click on the headset device to view the device properties and see if the device is disabled.
If you disable the device, select Enable it.


fifth step
detected problems there may be a problem with the socket. Look at the headset properties to see if the headset is plugged in.
If not, the headset is not connected. Try turning the headset plug slowly to see if there is any sound.
If there is no, there may be a broken socket, it is recommended to overhaul

The above is a common method of notebook.
There is another way for desktops: the desktop has two front and rear headphone jacks.
After troubleshooting according to the previous method, try to replace the front socket.
If there is sound, it may be that the front is broken, or disabled.
If it is disabled, it is still enabled in device management (or audio-driven device management)
Note: The problem is always solved gradually by gradual elimination. If you spend more time, you The computer is estimated to have fewer faults