What if the Win7 notebook suddenly has no sound? Win7 in the lower right corner of the small speaker is missing?

When operating the win7 system, you will often encounter various problems and malfunctions. If you are unfamiliar with the system, you can only do nothing. In order to let friends who like win7 know more about small problems and troubleshooting, specially compiled some information. So today I explain to everyone how the notebook suddenly has no sound, there is no small speaker in the lower right corner of win7.

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

1: Check if the sound device is correct. Many friends mistakenly disable the speaker when the operating system is improper. Then just click the start button, find the control panel, and then click the <quo;sound” option, right-click in the box that pops up and enable the stop. The speaker options used are shown in Figure 1:

Figure 1 Enable Speakers
2: Click on “Communication" in the "Sounds" option in Method 1 to see if it is the choice. When Windows detects communication activity, mute all other sounds. If yes, please check the other 3 options, as shown in Figure 2:

Figure 2 is muted

3: If the notebook has an external device, such as audio, then Check if the sound connection is correct. This is very simple, as long as you carefully look at the color of the socket and the color of the sound cable.

4: Detect the sound card driver. If the sound card driver is not comprehensive or is not normal, there is no sound. Then you can download and download the corresponding sound card driver on the Internet. The easiest way is to download the driver wizard and directly drive it.

There is no small speaker in the lower right corner of win7. The solution is as follows:

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

Figure 3 Properties

Click on the “Customize" button in the "Taskbar and Start Menu Properties", as shown in Figure 4:

Figure 4 Click “Customize&rdquo ; button

In the "notification area icon" icon, find the "volume" option, change the drop-down option to “display icon and notification", and finally click OK, as shown in Figure 5:

Fig. 5 Volume icon display
2: Check if the windows audio service is normal. Enter services.msc in the search box of the start button and press Enter to open the “Services” box. Find it on the right. Windows Audio service, the state selection is started, the startup type is selected automatically, as shown in Figure 6:

Figure 6 Service

3: Use anti-virus software for anti-virus. Few cases are caused by viruses, but they cannot be ruled out. First kill the soft virus database, and then kill. For example, Sands drug tyrants, 360, etc. all have good anti-virus capabilities, and can be repaired using system repair functions.

If the above method can't solve the problem that the notebook suddenly has no sound or there is no small speaker in the lower right corner of win7, then the only quickest and most comprehensive method is to reinstall the system. But remind everyone, win7 system is a lot on the market, I recommend here to download the win7 system with authority and stability