What should I do if there is no sound from my computer speakers?

The first type: the audio driver is not installed, if there is an installation disk, you can click on the corresponding sound driver to install, and restart the computer. If you don't have an installation disk, you can drive the wizard and then install the missing driver.

Second: The audio service is stopped and banned.

The bottom left corner of the window icon is required. Click -> Enter to find the Window Audio service on the right.

Right-click -> Properties -> set to start automatically (otherwise you need to set it up next time you boot up)-> and then click Start and wait for a while.

Third: Speakers are banned in the sound options.

Win7 no sound solution:

First of all, you need to see what the audio icon in the bottom right corner looks like.

Generally, there are 2 states.

One is the small cross status and the other is the red forbidden state.

The small cross status indicates several problems.

1 The audio driver is not installed.

2 Audio service was stopped and banned.

3 Speakers are banned in the sound options.

You have to plug in the speaker to have sound, and the computer itself has no sound.

Check the speaker in the lower right corner, whether the system volume is muted or not, drag the volume to adjust.

First, right-click on the horn symbol at the bottom of the desktop and select the "** device" in it"option, and then right-click on the blank space and select "Show Disabled Devices". After checking it, you should be able to see that there is a device.

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.

Check if the speakers are set to mute: If the laptop is muted, there will be no sound from the speakers after the boot starts. Method: Press the keyboard [FN] + [F6] key combination to cancel the mute, and the screen will appear with a prompt of the volume level.

Verify that the default device is a native sound card: If the default device is not a native sound card, then the laptop speaker will also have no sound when it is turned on. View Sound **Default Device Method:

aPress the [Win] + [X] key combination on the keyboard to open the advanced management tools, and select [Control Panel]. bSelect [Hardware & Sound] in the control panel. cClick [Sound] on the right.

dCheck whether the speaker is the default device in **, as shown in the following figure: eIf the speaker is not the default device, then right-click the speaker and select Set as default device. fSet the speaker as the default device, click OK below, and then observe whether the speaker has sound.

Reinstall the sound card driver If there is no problem with the above settings, then you need to reinstall the sound card driver, and different systems enter different official **. The specific installation steps will not be repeated. After installing the sound card driver**, observe whether the speaker is normal.

A computer is a machine that uses electronic principles to process data according to a series of instructions. A computer can be divided into two parts: a software system and a hardware system.

The first computer was the ENIAC general-purpose electronic computer born at the University of Pennsylvania in the United States on February 15, 1946.

People refer to computers without any software installed as bare metal. With the development of science and technology, some new types of computers have emerged: biological computers, photonic computers, quantum computers, etc. On May 24, 1954, the transistor electronic computer was born.