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HomeCommon ProblemWhy does the computer have no sound?
Why does the computer have no sound?Jun 26, 2023 pm 03:36 PM
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Reasons why the computer has no sound: 1. Computer hardware problems. Hardware problems are mainly caused by the sound card being broken or the output sound interface being damaged. Generally, the sound card hardware is rarely damaged. If it is encountered, it is caused by hardware problems. No sound; 2. Software problems, we need to check them one by one through the computer system; 3. The computer sound card is damaged.

Why does the computer have no sound?

After using the computer for a long time, it is inevitable that you will encounter various situations, such as no sound, even if the speaker is plugged in, there will be no sound. When encountering this special situation What should we do? Today the editor has brought you relevant tutorials, I hope it will be helpful to you.

There are actually two reasons why the computer has no sound, computer hardware problems and software problems. Hardware problems are mainly caused by a broken sound card or damaged output sound interface. Generally, the sound card hardware is rarely damaged. If you encounter no sound due to hardware problems, software problems are more common and cause the computer to have no sound. So how to judge whether it is a hardware problem or a software problem? / Let’s explain it in detail in detail.

Generally when dealing with computer problems, we deal with software first and then hardware. If your computer has no sound, please try the following solutions, which can usually be solved.

1: If the computer has no sound, please first check whether there is a sound control icon in the taskbar at the lower right corner of the computer desktop, as shown below:

Why does the computer have no sound?

As shown above, If there is this icon, it means there is no problem with the sound card installed on the computer. Then click the sound control icon with the left button of the mouse, and the sound volume adjustment switch control window will appear. Check whether the volume is adjusted to the minimum and whether it is checked. Mute. In the past, when I helped many novice friends deal with the problem of no sound on their computers, they often either adjusted the sound to the lowest level or checked mute, resulting in no sound on their computers. This is a low-level mistake that novice friends often make.

If you cannot find the volume control icon above on the computer desktop, it may be a driver problem. You will know how to resolve the driver problem as follows. Some of them are not displayed. The method to make it display is as follows:

If there is no "Small Speaker" on the right side of the taskbar, go to Start---Settings--"Control Panel--Sounds and Audio Devices" command and open the "Sounds and Audio Device Properties" dialog box, as shown below:

Why does the computer have no sound?

As shown in the picture above, mark √ and click OK. There will be a sound icon in the taskbar at the lower right corner of the desktop. Check again whether the volume is adjusted properly and whether mute is clicked. Rest. After that, the computer usually has sound.

You can also click the "Sound" tab in this dialog box, then click one of the program events (such as a program error) in the "Program Events" column, then select a sound type, and then look to the right Whether the "Preview" button is black. If it is black, the sound card is normal. The cause of the fault may be that the system volume is too low, or mute is set, or the speaker is faulty.

Other reasons: If there is no sound card option in the "Device Manager" window, and the sound card is an integrated sound card, then restart the computer and enter the BIOS program. Then check whether the peripheral device option in the BIOS is set to "Disabled", if so, change it to "Enable". If this item is set to "Enable", the motherboard sound card circuit may be damaged, and the sound card circuit can be repaired. It can only be taken for repair.

2: There is no sound from the computer. Please first check whether there is a problem with your speakers or headset, whether the speaker or headset audio cable is well connected to the computer, and whether the interface is plugged in correctly.

I previously found that when a friend used a speaker or headset, there was no sound because the audio cable was connected to the computer. This is also a very low-level mistake. How can there be sound when there is no signal connected to the speaker? Some of them are direct I connected it to the microphone interface of my computer. I thought it was funny when I saw it. There is an audio interface and a microphone on the computer interface. You must check it out for yourself. There are icons on it. It is obvious. If you are a complete novice who doesn’t understand, you can ask. Having people around you and reading the instructions is better than anything else. If there was sound from the computer before and now there is no sound, check whether the headset or speaker is damaged. You can try a good one.

It should also be noted that generally desktop computers will have 2 pairs of audio interfaces, distributed on the front and back of the chassis, so if the front interface is useless, you can try the rear socket. Because some computer installers may forget to connect the signal cable from the socket on the front of the host to the motherboard.

3: Check whether the computer sound card driver is installed properly

In the past, we often encountered the situation where the computer had no sound after reinstalling the computer system. In most cases, the computer sound card driver was not installed properly or was not installed properly. Caused by compatibility, the solution is to find the driver corresponding to the computer sound card and install it. How to find out whether the computer sound card driver is not installed properly? We can enter My Computer --- Right click --- Select --- Properties -- Hardware -- Device Manager as shown below:

Click Device Manager to enter the following computer hardware driver status to view, as shown below.

Why does the computer have no sound?

The picture above is a screenshot of the sound card driver installed normally. The screenshot of the sound card driver installation problem is like this. There is a yellow exclamation mark on the sound card device! As follows:

Why does the computer have no sound?

If there is an exclamation mark in the sound card driver, it means that the hardware driver in the current system does not meet the computer driver. The solution can be to change the system again. Of course, this is not necessary. Just find the computer sound card model and go to Baidu directly. Just find the driver and install it at once. How to check the sound card hardware model of your computer? There are many methods. Here are a few simple methods:

Method 1: Start--Run--Enter: dxdiag command- - Confirm to open the Direct X Hardware Diagnostic Tool, and then select Sound You can see the sound card model. As shown below:

Why does the computer have no sound?

Once you know the sound card model, search directly on Baidu and enter the sound card model driver to download. You can usually find it. After downloading, you can install it. The installation method is briefly introduced here. Down.

Click Click on the yellow exclamation mark shown in the picture above to reinstall the driver --- choose to install from the list --- select the path to download the sound card -- and confirm all the way to complete the installation. Novice friends recommend using the following method to download a "Driver Wizard" software. It is very convenient to install it directly in the software. There are many such software, such as 360 Butler and other software. The operation is very simple and suitable for novice friends. Not much introduction here.

Other reasons (generally rare)

If the sound card is not an integrated sound card, then open the case and check whether the sound card is installed properly. If it is not installed, just reinstall it and start the test; if the sound card has been installed, then remove the sound card, and then clean the motherboard sound card slot and the dust on the sound card (especially check whether the gold finger has mold spots, etc.). After cleaning and reinstalling, general faults can be eliminated and the computer has no sound. Most of the computers we use today have integrated sound cards.

Another reason is that the computer sound card is damaged, the computer audio output interface is damaged, etc. These situations rarely happen. If you encounter it, you can only take it to a professional computer repair shop for inspection and repair.

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