Win7 notebook suddenly has no sound to do?

Win7 Notebook Suddenly has no sound to do?

Operating Win7 system often encounter a variety of problems and failures, the system is relatively unfamiliar, it can only be helpless. In order to let like Win7 friends to learn more about small problems and fault handling, specially collated some information. So today for everyone to explain why the notebook suddenly no sound, win7 the lower right corner has no small horn problem.

Why does the notebook suddenly have no sound? The solution is as follows:

1: Check the sound device is not correct. Many friends in the early operating system improper circumstances, mistakenly put the speaker to stop, then this time just click the Start button

, locate the Control Panel, and then click the "Sound" option to right-click in the pop-up box and enable the disabled speaker option, as shown in Figure 1:

Figure 1 Enabling speakers

2: In Method 1, in the "Sound" option, click "Communication" to see if you chose to mute all other sounds when Windows detects communication activity. If so, please tick the other 3 options, as shown in Figure 2:

Figure 2 Mute on call

3: If the notebook has an external device, such as stereo, then it is necessary to check the sound of the connection is correct, this is very simple, as long as we carefully look at the color of the socket and the audio line color match can be.

4: Detect sound card driver. Sound card driver is not comprehensive or abnormal cause no sound, then you can download their corresponding sound card driver download and installation, the simplest way is to download the Driver wizard directly hit the driver.

Win7 no small horn in the lower right corner the solution is as follows:

①: Right-click on the taskbar to open properties, as shown in Figure 3:

Figure 3 Properties

In the pop-up taskbar and Start Menu properties, click the Customize button, as shown in Figure 4:

Figure 4 Click the Customize button

In the Notification area icon box, locate the volume option, change the Drop-down option to show icons and Alerts, and then click OK, as shown in Figure 5:

Figure 5 Volume icon display

②: Check that the Windows Audio service is normal, enter services.msc in the Start button search box, press ENTER to open the Services box, locate the Windows Audio service on the right, start the status selection, and start the type automatically, as shown in Figure 6:

Figure 6 Services

③: Use antivirus software for antivirus. Few cases are caused by the virus, but they cannot be ruled out. First will kill soft update virus library, and then the killing. such as the Jinsha poison PA, 360 and so have a good anti-virus ability, and can use system repair function to repair.

If the above methods can not solve the notebook suddenly did not sound or win7 the lower right corner of the small horn, the only fastest and most comprehensive way is to reload the system. But to remind you, Win7 system on the market a lot, I recommend you to download the authoritative and stable Win7 system