Why is there no sound on the computer, and the volume is turned up to the maximum

The sound card driver is not compatible, uninstall the sound card driver, and follow the steps below to install Situation 1: Right-click on the desktop "My Computer" Properties Hardware Settings Manager Sound** and Game Controller There is no AC97 or High Definition or other long strings of English below this item, or there is a yellow question mark.

Situation 2: Click on the lower left corner of the desktop to start all the settings in the Control Panel Sound & Audio Devices are grayed out, that is, they are not available. If either of the above two situations exists, you go straight to it.

**"Driver Wizard" software, after installing it, double-click to open Driver Update Tick "Sound** and Game Controller" Start Update Restart the computer after the update is complete. If the above two situations do not exist, please follow the steps below. Step 1:

If there is no small speaker in the lower right corner of the desktop, start the Control Panel Sound & Audio Devices tick on "Put the volume icon into the taskbar" OK.

Check step by step,First hard and then soft,First see if the speaker wire is connected,Whether the speaker is broken,If the speaker is good,Open the computer desktop,Right-click on my computer,Check the properties,Find the hardware item,Look at its related driver,If the driver is a red cross,It means that the computer wants to replace the hardware of the sound,If it is a yellow symbol above,It means that there is a problem with the driver,Go to**on**The corresponding driver can be installed,General driver to find AC97。

First, first confirm that the hardware is fine. If the speaker is fine, the sound card is fine, and if you've tested it on other machines and it's really good, then you can read on.

2. Make sure all the cables are exactly right. Then power on the speaker and turn on the volume switch.

3. Install the driver of the sound card correctly, if it is an onboard sound card, it is best to install the driver provided on the driver disk of the motherboard.

In fact, the computer does not make a sound, and many times it is because the sound card is not driven correctly. In general, after the sound card driver is installed, there will be a small speaker icon in the taskbar in the lower right corner. ）

Fourth, if you are sure that the driver is installed correctly, then take a look at the volume settings in the computer.

The specific method is to double-click the speaker icon in the taskbar, and check whether the volume is turned off to the minimum in the "Volume Control" and "Waveform" dialog box in the pop-up "Volume Control" and "Waveform".

If these two options are not available in the dialog box, click on the "Options" menu - select "Properties" - select "Volume Control" and "Waveform" in the "Show Volume Controls" and then set them correctly.

Note: Step 4 can only be set up after the driver for the sound card has been installed correctly.