What about computer video without sound?

What about computer video without sound? The following is the xp74 system download station small series from the online collection of solutions, the need for friends can refer to.

1, first to see if you turn off the sound of the notebook, and then check whether to open the sound of video playback.

2. Right-click on "My Computer"----"Properties"---"Hardware"----"Device Manager", open "sound, video and game controller" There is no problem, that is, look at the front there is no yellow "" If there is, reinstall the device driver to resolve;

3. When there is a sound but no small speaker, open the Control Panel----sound and video equipment----volume, in the "Put the volume icon in the taskbar" before the check mark;

4, no sound and no small horn, open the Control Panel----Add and Remove Programs----Add remove Windows Components, check the "accessories and Tools", click "Next", then, restart the system will prompt to install new hardware, follow the prompts to install;

No microphone:

5, (1) Double-click on the small speaker------------------- (2) Double-click the small speaker in the lower right corner and find the microphone option. Set it up just fine. (3) Click on the options in the sound interface-Properties, there is a microphone, hit the tick on it.

6, uninstall the sound card driver, reinstall or upgrade the audio driver;

7, when installing the sound card driver "can't find the AC chip" hint, there may be computer poisoning, or because of illegal operation mistakenly deleted the sound card driver, or internal software conflict resolution is to reinstall the system and drivers;

8, simply ignore, shutdown after waiting for a period of time to restart, and sometimes sound problems will be self-resolution may you try;

10. Start-Control Panel-sound and audio devices-sound to see if it is tuned to be silent, then choose Windows Default;

11, click Start-Run, input regedit, enter, this opens the registry, a few hkey-current-user, then click on the ControlPanel item, and then click on the sound in the beep to change its value from No to Yes to restart, is not again heard a long-lost switch machine sound;

12, the original account has been deleted, create a new account, so that the switch machine has a sound, may be the user profile error caused by the problem, you can first open Guest user Guest, re-start to try to have a switch on the sound, if some words can use the above method, first to create an administrator account, Then click on your account of the problem, and then follow the prompts can be deleted, in the process of deleting it will also prompt whether to keep the original account of the file, in the removal of the best to back up the favorites, as well as the Start menu installation software created folders, and then copy them in the past can be done.