Audio problems are usually caused by changes in settings, abnormal drivers or system service failures. You can troubleshoot them according to the following steps: 1. Check whether the volume is muted, whether the output device is correct, try to re-plug and unplug the headset; 2. Update or roll back the audio driver through the Device Manager, uninstall if necessary and restart the computer; 3. Make sure that the "Windows Audio" service is started and the startup type is set to automatic; 4. Run the sfc /scannow command to repair possible corrupt system files. Operate step by step in order, and the audio function can be restored in most cases.
After Windows update, the audio suddenly has no sound, which is actually quite common. There may be many reasons, but most of the time the problem is not serious, and you can basically solve it by adjusting it yourself.

1. Check the basic settings: Don't rush to troubleshoot complex problems
First, let’s confirm whether it is the easiest setting problem. For example, whether the volume is muted or whether the output device is selected incorrectly. Sometimes the default playback device may change after updating the system, especially if you have multiple headphones or speakers connected.

- Click the volume icon in the lower right corner of the taskbar
- Check whether “Mute” has been turned on by mistake
- Right-click the volume icon, select "Open Sound Settings" → "Sound Control Panel" to confirm the default playback device
In addition, you can try unplugging the headset and plugging it back, or changing the interface. Some updates will cause hardware recognition problems.
2. Audio driver problem: try to update or rollback
Windows Update sometimes installs incompatible drivers, causing the sound card to not work properly. At this time, you can go to the device manager to see the status of the audio device.

- Press
Win X
and select Device Manager - Expand "Sound, Video, and Game Controllers"
- If you see a yellow exclamation mark, it means there is a problem with the driver
- Right-click the device → select "Update Driver" or "Rolleate Driver"
If you are not sure which one to update, you can try uninstalling the existing driver first, and then restart the computer and let the system automatically reinstall.
3. Is the Windows Audio Service running normally?
Sometimes system updates will shut down certain critical services, causing sound failure. You can check if the "Windows Audio" service is running.
- Press
Win R
to enterservices.msc
to enter - Find the "Windows Audio" service
- Right-click to view the properties, the startup type should be "automatic", and the status should be "running"
If not, click the "Start" button to run it. If startup fails, further troubleshooting of permissions or system file issues may be required.
4. System files are corrupted or conflicted
If none of the above methods work, it may be that the system file is corrupted during the update process. You can use the system's own tools to fix it:
- Open a command prompt (administrator)
- Enter
sfc /scannow
to press Enter and wait for the scan to complete - If an error is found, it will try to fix it automatically
This process may take several minutes, and after completion, restart the computer to see if there is any improvement.
Basically these common solutions. Don’t be too anxious when encountering audio problems. Take it step by step, most of the situation is not a big problem.
The above is the detailed content of Why is my audio not working after a Windows update. For more information, please follow other related articles on the PHP Chinese website!

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