Frequently, the volume icon is missing, which is usually caused by a system error or abnormal shutdown. Without the volume icon system, the sound will not sound properly, resulting in no sound on the computer. Although it does not affect the daily use of the computer, watching movies or listening to music is not blunt, and it always makes people feel less. When you encounter a computer sound icon, you don't have to worry about it. The following method tries to get everyone to regain the sound world. First, find the volume icon that is not visible. If the volume icon disappears when the system is running, you can quickly find the volume icon by the following method: 1. At the beginning, set, click the control panel to open the small speaker inside. & nbsp; sound and audio equipment & rdquo; 2, "put the volume icon into the taskbar", click Apply, OK; if it is checked, first uncheck, then re-tick again. The volume icon will reappear in the taskbar and click to adjust the volume. In this way, you can basically retrieve the lost small speaker icon. If you check the box to put the volume icon in the taskbar, it will still be invalid after the box is selected, and the system may lose the “sndvol32.exe” file. Copy the file from other computers and copy it to the folder “C:WINDOWSsystem32”, and then re-operate it again. If the check box is gray and not selectable, the sound card driver has a problem. Please reinstall the sound card driver. Second, solve the problem of restarting the lost small speaker. If you can't find the volume control icon after booting, manually retrieve the volume icon, the next time you turn it on, it will be lost again. Generally, the system's voice service has a problem, which can be solved by the following method. . 1. Right click on "My Computer" and select "Manage" & Open the "Computer Management" window. 2. Click the + sign in front of the "Services & Applications" option and click “Services" to open the “Services" window. Find the "Windows Audio" service under the "Name" column, right click on it and select "Properties". 3. If the following startup is optional, you should change the “Startup Type” to “Auto”, click the “Apply” button, and then click the “Start” button. After waiting for the prompt, close the “Computer Management” window and you will not lose the volume icon after booting. Above we introduced the common solution after the volume icon is lost. In the future, when you encounter such problems, you can solve the problem with the right medicine, no need to worry about the silent world. Tip: If there is no boot music and tone after the system is turned on, click on the “Sounds & Sounds” button in the “Sounds and Audio Properties” window and select “Sound Solution” as “Windows Default”. Click the “OK” button to fix it. Similarly, if you want to remove some of the system's own sound, you can choose the "soundless" inside, the prompts that appear can be saved, so that the system clicks the mouse or opens the sound of a menu. No longer appears. Sound card failure or sound card driver failure can also cause such a phenomenon. You can check whether there is a sound card and whether the driver is normal in the computer device manager. The driver problem can be detected by using the driver wizard and installing the driver. Convenience.