If the computer has no sound, check the hardware and basic settings first: 1. Make sure the volume is not muted and turned up; 2. Check whether the headphones or speaker jack is correct and whether the device is damaged; 3. Right-click the volume icon to select the correct output device. Then update or reinstall the audio driver: Turn on Device Manager to update or uninstall the audio device and restart the automatic installation. Run the system sound troubleshooter again: Click "Troubleshooter" in Settings → System → Sound to fix the problem. Finally check the system service: Make sure the "Windows Audio" service is automatically started and running, or try to check "Disable all enhancements". Most of the above steps can restore sound. If it is invalid, it may cause hardware damage to require professional repair.

The computer is no longer sound, which is a common problem for Windows 10 users. Don't rush to reinstall the system, it can be investigated and solved in most cases. The key is to confirm whether there is a hardware problem or whether there is any abnormality in the driver, and then check the system settings.

Check basic settings and hardware connections

Don't rush to make complicated operations first, and see if there are any errors in the most basic areas:

• Is the volume muted? Click the volume icon in the lower right corner of the taskbar to confirm that it is not silent and whether the slider is lowered.
• Have you plugged the external speaker or headphones into the jack? If you use headphones or speakers, unplug them and try changing the jack, or switch them to another device to test if the device itself is broken.
• Is the speaker selection correct? Right-click the volume icon → “Open Sound Settings” → Confirm that the correct playback device is selected in “Output Device”.

Sometimes it is common to just accidentally press the mute key, or if you change the device and forget to change it back to the default player.

Update or reinstall the audio driver

Many sound problems are actually caused by driver problems. Although Windows 10 automatically updates the driver, it sometimes fails or has compatibility issues.

You can do this:

• Open "Device Manager" (you can find it by searching in the Start menu)
• Expand Audio Input and Output or Sound, Video and Game Controller
• Right-click on your audio device (such as Realtek High Definition Audio) and select "Update Driver"

If there is still no sound after the update, you can try "Uninstall the device", then restart the computer, and let the system reinstall the driver.

If you are not sure how to operate, you can also use some free driver detection tools, such as Driver Booster or Snappy Driver Installer, which can help you automatically identify and install missing drivers.

Troubleshooting the sounds that come with the operating system

Windows comes with a widget that can help you automatically detect common sound problems:

• Open Settings → System → Sound
• Down and find the "Troubleshooter" below "Sound Settings"
• Click Run, it will automatically check and prompt you to fix the found problems

Although this tool can't solve all the problems, it is a good starting point for beginners. Sometimes it will prompt "the default device is not set" or "the audio service is not started", just follow its suggestions step by step.

Check system services and advanced settings

If the above methods are not working, you may need to check whether the system service has been shut down:

• Press Win R to open the run window, enter services.msc to enter to enter
• Find the "Windows Audio" service and double-click to open it
• Make sure the Startup Type is Automatic and the current status is Running

If not, click the Start button to run it.

In addition, you can also try to check whether there is the option to "Disable all enhancements" in the "Sound Control Panel". If so, you can check it to see if it is valid.

Basically these are the methods. Most cases are checked in order and the sound should be restored. If you have tried all of them but still can't work, it may be because of the hardware damage, then you have to consider finding a professional.

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