Lenovo C340 plugged in the stereo, how the computer audio is loud

Hello friends, it is a pleasure to answer your questions;

1.Problems with sound card drivers.

In fact, most users are caused by the sound card driver, and it generally only takes a few steps to solve the problem: first uninstall the current sound card driver, then restart the computer, go to the official website**The corresponding sound card driver, install, and finally restart the computer.

2.Compatibility issues with the sound card.

3.Sound card settings.

Some models of machine sound cards natively support the simultaneous operation of speakers and headphones, as long as the corresponding option is turned off in the settings of the sound card.

4.Hardware issues.

When it comes to hardware problems, it can't be solved by updating the driver or something. Generally, it is caused by the loose or falling off of the spring inside the sound card interface, and after the earphones are inserted, the power supply of the external speaker cannot be cut off, so the speaker works as usual. There is also a situation where the sound card interface itself is defective.

If the first three methods have no effect, it can basically be judged as a hardware failure of the sound card, and it can be sent directly to the repair station for processing.

5. You can also turn off the speaker, plug it back in and restart the computer.

If mine is helpful to you, also.

1. Check whether the sound card, connection cable, speaker and other equipment are connected normally; Run anti-virus software for anti-virus;

2. Right-click "My Computer" --Properties--Hardware"--Device Manager", open "Sound, ** and Game Controller" if there is any problem, that is, see if there is a yellow ""If so, reinstall the driver of this device to solve it;

4. When there is no sound and no speaker, open the control panel--- Add and remove programs--- add and delete Windows components, put a check mark in front of "Accessories and Tools", click "Next", and then, shut down and restart, the system will prompt you to install new hardware, follow the prompts to install;

5. Double-click the small speaker--Options--Properties--Put the hook in front of the "microphone" to adjust.

6. Uninstall the sound card driver, reinstall or upgrade the audio driver;

7. When the sound card driver is installed, there is a "can't find the AC chip" prompt, it may be that the computer is poisoned, or the sound card driver has been deleted by mistake due to illegal operation, or the solution to the internal software conflict is to reinstall the system and drivers.

8. Simply ignore it, wait for a period of time after shutting down and then turn it back on, sometimes the sound problem will solve itself You may as well try.

9. Start - Control Panel - Sound and Audio Equipment - Sound, see if it is set to silent, and then select Windows Default.

10. Click Start Run, enter regedit, press enter, this opens the registry, click a few hkey-current-user, and then click on the controlpanel item, and then hit the beep in the sound under it to change its value from no to yes restart, is it to hear the long-lost power on and off sound again.

11. Delete the original account, create a new account, so that there is a sound on and off, it may be a problem caused by an error in the user profile, you can first open the guest user guest, try to see if there is a switch sound, if there is, you can use the above method, first to create an administrator account, and then click on your account with the problem, and then press the prompt to delete, in the process of deletion it will also prompt whether to keep the original account file, It's a good idea to back up your favorites when you delete them, and tell them that there are folders created by installing the software in the start menu, and then copy them after you're done.