1. I want to perfectly solve the problem of "What if the computer has no sound" and its sequelae. Please download the free anti-virus program, thoroughly scan the local disk, and thoroughly remove the existing malicious virus Trojan.
2. After ensuring that there is no Trojan virus in the system, using the system file repair tool provided by Niu Antivirus to fully restore and repair the system files can solve the phenomenon that the computer has no sound.
In addition, according to experience, there are several reasons why many users appear "What if the computer has no sound?" Please repair and check it:
1, check whether the sound card, cables, speakers and other equipment are connected normally; Run antivirus software for antivirus;
2. Right-click My Computer-Properties-Hardware-Device Manager, and if there is a problem, open the Audio, Video and Game Controller, just to see if there is a yellow one in front.
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If so, reinstall the driver of this device to solve it;
3. When there is sound but there is no speaker, open the control panel-Audio and Video Equipment-Volume, and put a tick in front of "Put the volume icon in the taskbar";
4. When there is no sound or speakers, open the control panel-Add and Remove Programs-Add and Remove Windows components, tick the number before "Accessories and Tools", click "Next", then shut down and restart, and the system will prompt you to install new hardware and follow the prompts.
5. Uninstall the sound card driver and reinstall or upgrade the audio driver;
6. When installing the sound card driver, the prompt "AC chip not found" appears, which may be caused by computer poisoning, or the sound card driver was deleted by mistake due to illegal operation, or the solution to internal software conflict is to reinstall the system and driver.
7, simply ignore, turn it off and wait for a while before turning it on. Sometimes the sound problem will solve itself. it wont hurt you to try it
8. Start-Control Panel-Sound and Audio Devices-Sound, check whether it is set to mute, and then select windows as the default.
9. Click Start-Run, enter regedit, and then press Enter. This will open the registry, click HKEY- current user, click the control panel item, and then click the beep in the sound below to change its value from No to Yes to restart. Did you hear the long-lost switch sound again?
10. Delete the original account and create a new one, so there will be a sound when you turn it on and off. This may be caused by an error in the user profile. You can start the guest user first and try to see if there is any sound when it is turned on and off. If so, you can use the above method. First, create an administrator account, then click on your problematic account, and then follow the prompts to delete it. In the process of deletion, you will also be prompted whether to keep the files of the original account. When deleting, it is best to back up the favorites and folders created by the installation software in the start menu and then copy them.
Can cattle system file repair address:
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