Windows7 no sound solution

        Question: I don't know what's going on, there is no sound when I turn it on. Let's see what's going on? Can solve it.

answer:

1, check the sound card, cables, speakers and other equipment is connected properly; running antivirus software antivirus;

2, right-click "My Computer "----"Properties"---"Hardware"----"Device Manager", open "sound, video and game controller" with or without problems, that is, see if there is a yellow "" before , reinstall the drivers for this device be resolved;

3, there is sound but not see small speakers, open the control panel ---- ---- volume of sound and video equipment, in "the volume icon put the taskbar, "pigeon-marked before;

4, when no sound nor small speakers, open the control panel Add and Remove programs ---- ---- Add or Remove Windows components in the" accessories and tools "checkmark before the fight, click" Next ", then shut down restart, you will be prompted to install new hardware, follow the prompts to install; no microphone:

5, double-click the small speaker - options - Attribute--Twist the hook in front of the "microphone" to adjust the double-click right corner The little speaker then finds the microphone option. Just set it up. In the sound interface, click on the option - Properties, there is a microphone, and there is a check mark.

6, uninstall the sound card drivers, re-install or upgrade the audio driver;

7, a "could not find AC chip" when prompted to install the sound card drivers, there may be a computer poisoning, or due to illegal operations mistakenly deleted the sound card drivers, or software conflicts are internal solution is to reinstall the system and drivers

8, altogether ignored, shut down after waiting for some time before restart sometimes the problem will resolve itself might sound you can try

9, start - control panel - sounds and audio devices - sound, tune into see if it is silent, and then select the Windows default

10, click Start - Run, type regedit, enter, this opens the registry, click HKEY-CURRENT-USER, click on the ControlPanel item, and then click on the Beep in the Sound to set its value No to Yes to restart, is not heard a long absence, the voice switch

11, the original account is deleted, create a new account, so there is a switch machine Sound, may be caused by a user configuration file error, you can first open the guest user guest, try again to see if there is a switch machine sound, if any, you can use the above method, first create an administrator account Then click on the account you have the problem, and then follow the prompts to delete it. During the deletion process, it will also prompt whether to keep the original account file. It is best to back up the favorites when deleting. The folders created by the installation software in the start menu can be copied and copied.