Hello everyone, today I will share with you some knowledge points about the computer having no sound, and the analysis of the problem of what to do if the computer has no sound and cannot find the output device. If everyone understands, Then you can ignore it. If you are not sure, you can read this article. I believe there is a high probability that your problem can be solved. Let’s take a look together!
Contents of this article
- What to do if there is no sound when turning on and off the computer
- Why does the computer have no sound? How to set the speakers as the default device
- What should I do if my computer has no sound and cannot find the output device?
- Is the computer’s silence related to the CPU?
- Why does the computer system have a beep but no sound?
- The computer has no sound and the line input is not plugged in
1. What to do if there is no sound when the computer is turned on and off
1. First, double-click the small speaker-shaped icon in the lower right corner of the computer to see if Mute All is checked, and then push all the volumes to the top, as circled in the picture.
2. If there is no small speaker icon in the lower right corner, you can click Computer Start – Control Panel – Sound, Language and Audio Devices – Sound and Audio Devices – —Check Put the volume icon into the taskbar
3. If there is still no sound, you can try adjusting the microphone. Click Computer Start – Control Panel – Sound, Language and Audio Devices – Realtek High Definition Audio Configuration – Select Room under Sound Effects – Then select Audio [Test 4CH speakers, open the music test, if not, adjust to 6CH speakers or 8CH trumpet. Until success]
4. If it is not a software problem, you can check the hardware. Right-click My Computer – Properties – Hardware – Device Manager – Sound .Video and game controllers – right click – ReaItekHighDefinitionAudio – update or scan, uninstall and reinstall. [If there is no sound card driver, please download the corresponding sound card driver]
5. If there is still no sound, just check whether the audio and headphone equipment are plugged in properly and whether the equipment is broken. [You can change the device to test. 】
2. What’s wrong with the computer having no sound? How to set the speaker as the default device
The lack of sound on the computer is a hardware or software problem; the method to set the speaker as the default device is: change the default playback device headphones to the speaker or click \”Audio\” and select the default device for sound playback as the speaker. .
Interface problem: The connected interface has poor contact or is damaged, which will cause the computer to have no sound.
Headphone problem: If you are using headphones to listen to sound, if there is no sound, you must first try changing the interface. If there is still no sound, you can change it. earphone.
Sound problem: If you are using a speaker to listen to sound, you must first eliminate the interface problem, or there may be a problem with the speaker. We can replace it with headphones. Is there any sound?
Sound card problem: Whether the sound card is damaged or not requires professional repair personnel to judge.
1. Mute: Maybe we have adjusted it to mute, just turn on the sound.
2. Sound card driver: First, we find the sound device through the control panel, and then click on Sound and Audio Devices. If the pop-up interface is gray, it means it is not installed. Driver, we only need to download a driver and install it.
3. Silent virus: After being infected by this virus: the computer is muted when it is turned on, and there is no system startup sound. The waveform audio is adjusted to the minimum when viewing the waveform, and the sound cannot be played. , even if you adjust it, it will be automatically muted after a few minutes.
4. The service is not running: the audio service is turned off. It may be that it was disabled during startup optimization, which resulted in the audio service not being started at startup.
1. WIN+R to open run (press the WIN icon first, and then press R at the same time), or right-click the start menu → run.
2. Then enter: mmsys.cpl to confirmJust set it.
3. Change the default playback device: headphones to speakers, and then confirm.
1. First, click \”Start\” and select \”Control Panel\”.
2. Right-click the sound icon on the lower right side of the mouse, and then select: Playback Device (P). Select \”Sounds, speech, and audio devices.\” Click \”Audio\” and select the default device for sound playback as the speaker.
4. You can also open the dialog box for the desired sound adjustment default device. Then change the headphones to speakers, select the speakers as default and confirm.
The second method involves interface operation, which is relatively fast. The first method is also easy to operate if you are familiar with running commands.
3. What to do if the computer has no sound and cannot find the output device
1. If the laptop does not have an audio device, it is not because there is no output device, but because we have not enabled or installed the audio driver. First open the control panel.
2. After opening the control panel, find the Audio Clarity Manager and open it.
3. After opening it, we turn on the main volume here, and then test whether there is any problem with our sound output.
4. If there is any problem, click the icon button in the lower right corner, relevant information will pop up, check whether the audio driver is installed, if not, you can check according to your computer\’s Just install the corresponding audio driver for your model.
4. Is the computer silent related to the CPU?
It has nothing to do with it. The lack of sound in the computer is only related to the sound card and the sound card driver, and has nothing to do with the CPU. It is recommended that you re-download the sound card driver. If it still doesn\’t work, reinstall the system and try to install the driver. The computer sound jack is on the sound card, or the motherboard integrated sound card is connected to the sound jack on the chassis by a wire. Therefore, as long as the computer can start normally and there is no sound from the jack, the problem should be with the sound card or the connecting cable, or the jack is loose and has poor contact, not the CPU.
5. Why does the computer system have a beep but no sound
For win7 system, please open Realtek in the Control Panel-Hardware and Sound High-definition audio manager (small red speaker), click on the small yellow folder (Jack settings), check (Disable front panel jack detection), and confirm. If there is still no sound in the XP system, please go to Control Panel – Sound. Open the Realtek high-definition audio manager (red speaker) and audio device, click Audio-Small Wrench (Jack Settings), check (Disable Front Panel Jack Detection), and try if there is still no sound. Try changing the driver for sound. If there is no Realtek, it means there is no driver. Just download the driver wizard and it will be fine
6. The computer has no sound. The line input is not plugged in
The first step is to set the audio as follows: Steps: Start—-Run—-services.msc—-In \”Name\” Find \”WindowsAudio\”—-select it with the left mouse button—-click the right mouse button—-select \”Properties\”—–General—-Startup type—–Automatic. Secondly, Take the following measures: 1. Check whether the sound card, cables, speakers and other devices are connected properly. If there is a virus, you should run anti-virus software for comprehensive anti-virus. 2. Open the control panel—-Add new hardware—- Next, after the search is completed, click \”No, I haven\’t added this hardware yet\”, and then click Next. In the dialog box that appears, select \”Click Finish, shut down the computer and restart to add new hardware\”. Note that this is about shutting down and restarting, not restarting. Generally speaking, the problem can be solved after restarting. 3. Right-click \”My Computer\”-\”Properties\”–\”Hardware\”- —\”Device Manager\”, open \”Sound, Video and Game Controllers\” to see if there is any problem, that is, see if there is a yellow \”?\” in front of it. \”. If so, uninstall it first, then put it into the CD drive disk, and reinstall the driver of this device. 4. If \”Device Manager\” —- \”Sound, Video, and Game Controllers\” is gone For sound card hardware, you have to search for your sound card, including the integrated sound card. The model must be accurate. After confirming that the sound card is found, insert the system driver disk and install the sound card driver.
The article ends here. If the problem of what to do if the computer has no sound and the computer has no sound and cannot find the output device has solved your problem, then we are sincerely happy!
