Industrial chemicals HS code monitoring

List of contents of this article:

• 1,Industrial chemicals HS code monitoring What to do if the computer system has no sound
• 2, What to do if there is no sound on the computer
• 3, What to do if there is no sound in the computer system

What to do if the computer system has no sound

1. First, check whether the computer speaker is muted, that is, check whether the speaker icon in the lower right corner of the taskbar has a fork. If it is mute, just adjust the volume of the speaker to a moderate position.

2. Check the system audio settings and check whether the system audio settings are normal, start--settings--control panel--sound and audio equipment, and check whether all items are normal. Check the motherboard and sound card. If there is no problem with the above, it may be a fault of the motherboard and sound card, and it needs to be disassembled for maintenance.

3. It may be that the system audio service is not turned on. Method: Start Menu - Run - Enter services.Msc opens the service management window, finds the Windows Audio service in the right window, and changes it to automatic startup. (Note: If there are other services with the word Audio, they should also be opened) and restart the computer.

4. The simple way is to restore the system that comes with the system and restore it until you don't have this failure. If the fault persists, please reinstall the sound card driver. What's wrong with the computer without sound? The troubleshooting method of computer without sound is as follows: (1) First, check whether there is a "small speaker" on the right side of the taskbar.

5. If there is still no sound after restarting the computer, the reason is relatively complicated. See the following solution. Check whether the system is muted or set to a low volume.

6. SquareMethod 1: First, double-click to open the audio manager, click "Settings" in the upper right corner, and then click "Options". Then click the "AC97" front panel on the "jack settings", and that's it. Method 2: Right-click "My Computer", click "Properties", and click "Device Manager".

The computer has no soundWhat to do

If your computer has no sound, you can try the following solution: Check the volume settings: Make sure that the volume of your computer is not muted or turned down. You can click the volume icon (usually in the lower right corner of the taskbar) and check the volume settings and mute options.

In this case, you need to completely uninstall the original installed sound card driver and restart the computer before trying to install it. The sound card is disabled.

Method 1: If the computer has no sound, press the F1 key to quickly recover. There will be a no-no sign on the F1 key of many computers. Pressing the F1 key can quickly mute the computer, and press it again to unmute it. In addition, you can use the F2 and F3 keys to turn up and down the volume respectively.

What to do if there is no sound in the computer system

1. At this time, you can try to restore a new system test, and be sure to back up the important data on the hard disk before restoring. The way to restore the system can be to use one-click recovery, or you can use CD-ROM for step-by-step installation.

2. If there is no sound on your computer, you can try the following solution: Check the volume settings: Make sure that the volume of your computer is not muted or turned down. You can click the volume icon (usually in the lower right corner of the taskbar) and check the volume settings and mute options.

3. Check whether the computer sound card hardware equipment, speaker and other equipment are damaged. Generally, computer failures are handled by software first and then hardware. If your computer has no sound, please try the following solutions to check whether the sound card, cable, speaker and other devices are connected properly.If you are infected with a virus, you should run anti-virus software for comprehensive anti-virus.

4. Is mute set? Check whether the sound icon in the lower right corner of the computer is muted. If so, please click on it and try after adjusting the volume. If the external headphones sound is normal, please restore the default settings of the BIOS.

5. No sound in the computer system can be very annoying, but this is not a tricky problem. We need to follow the following steps to troubleshoot: Step 1: Check the volume settings First, we need to check the volume settings of the system.

6. Check the volume settings of the computer. First of all, you should check the volume settings of the computer system to confirm whether the volume has been adjusted to the maximum. The specific method is as follows: right-click on the computer desktop, select "Sound Settings", enter the "Sound" menu, and check whether the volume setting is appropriate.