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1) No sound Cause of failure: the speaker voice coil is burned out; Speaker voice coil leads are disconnected; feeder open circuit; The connection to the amplifier is not properly connected.
2) Low sound Cause of failure: poor quality of speakers; The woofer is reversed.
3) Sound distortion Cause of failure: the voice coil of the speaker is skewed; Deviation of the speaker core or debris in the magnetic gap; deformation of speaker cones; The amplifier feeds too much power.
4) There is noise Cause of failure: speaker paper cone breaks; cracked speaker seams; The rear panel of the speaker is loose; The speaker cone stand is not secured; The speaker mesh is too loose.
5) High frequency difference Fault cause: poor high-frequency frequency division capacitor; Poor tweeter unit; Improper use of the surface net.
6) Low frequency difference Fault cause: poor frequency division network; Poor woofer unit.
7) Poor stereo effect Cause of failure: improper placement of speakers; The polarity of the two speakers is incorrect.
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The small jumper is not plugged in, if you are not familiar with the motherboard, it is best not to move it, so as not to have unnecessary consequences.
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If the jumper cable of the case is not plugged in or plugged incorrectly, open it yourself and see, if it is not plugged in, it will be good to plug it in yourself. motherboard, or the instruction manual has the subject. Very simple.
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See if there is a problem with the connection line, whether it is plugged in wrongly, and whether the line is broken. Buy an electricity meter and test it.
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Because the motherboard and the socket are not connected.
If you don't believe it, open the case and take a look.
How to solve it.
Or ask someone who can plug it in for you.
Or you take a look at the motherboard manual and study it.
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<> how to set the headset on the front panel of the computer without sound: click the control panel in the start. Find the Audio Manager in the Control Panel and open it.
Open the audio management interface, open the small icon in the lower right corner of the setting "Disable Front Panel Jack Detection", which is off by default, click to open. Make sure to reverse back to the main interface, the jack icon on the front panel is brightened, and you can use the headphones.
This answer works with most computer brands like Asus N56Xi323VZ-SL, Dell XPS13-9350-3708, etc.
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If there is no sound on the computer, you can use the following methods to fix it and let the computer sound reappear.
1.Want to solve it perfectly"What to do if the computer has no sound"This problem, as well as its sequelae. Please first **Keniu free antivirus,Conduct a full disk scan of the local disk,The existing malicious virus Trojan program is completely removed。
2.After making sure that there is no Trojan virus in the system, use the system file repair tool provided by Keniu Antivirus to carry out a comprehensive system file restoration and repair, and you can solve the phenomenon that the computer has no sound.
In addition, according to experience, it has led to the emergence of many users"What to do if the computer has no sound"The causes of this problem are as follows, please check that the fix is invalid
1. Check whether the sound card, cable, speaker and other equipment are connected normally; Run anti-virus software for anti-virus;
2. Right-click"My computer"--Attributes"--Hardware"--Device Manager"to open"Sound, **, and game controllers"If there is a problem, that is, see if there is a yellow one in the front"
If so, reinstall the driver for this device to solve the problem;
4. When there is no sound and no speaker, open the control panel--- Add and remove programs--- Add and delete Windows components, in"Accessories and tools"Hit the check mark before clicking"Next"Then, shut down and restart, the system will prompt you to install new hardware, follow the prompts to install;
5. Uninstall the sound card driver, reinstall or upgrade the audio driver;
6. Appears when installing the sound card driver"I can't find the AC chip"Hint, it may be that the computer is poisoned, or the sound card driver was deleted by mistake due to illegal operation, or the solution to internal software conflicts is to reinstall the system and drivers.
7. 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 wish to try it.
8. Start - Control Panel - Sound and Audio Devices - Sound, see if it is set to silent, and then select Windows Default.
9. Click to open and scatter the search to run, enter regedit, press enter, this opens the registry, click a few hkey-current-user, and then click on the controlpanel item, and then click the beep in the sound under it to change its value from no to yes to restart, is it to hear the long-lost power on and off sound again.
10. 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, start again and try to see if there is a sound on and off, if there is, you can use the above method, first create an administrator account, and then click on the account with the problem, and then follow the prompts to delete, During the deletion process, it will also prompt you if you want to keep the files of the original account, and it is best to back up your favorites when deleting, as well as the folders created by the installation software in the start menu, and then copy them after you have done it.
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Front audio cable.
Not plugged into the motherboard.
So there is no sound.
If you plug the headphones in the back of the hail silver talk Laqing, because the back is integrated source bureau banquet audio.
So there will be sounds.
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Is it an ASUS motherboard?
If it is a Huakuan Qianshuo motherboard.
Need to be in the . cmos
Advanced options are set inside Jujube Tan.
HDD instead.
AC97 can be solved by asking Shen Yan to clear the question.