Computer can't find sound output device is a common problem, especially when using Windows operating system. Fortunately, most of the problems can be solved in the following ways.
Step 1: Check the Physical Connection
Before going deeper into the diagnosis, it is important to first check if the hardware connections are working properly. This includes:
Ensuring that headphones, speakers, or other audio devices are properly plugged into the computer's audio jack. If it is a USB device, check that the USB port is plugged in tightly.
Ensure that all external audio devices such as speakers, headphones, etc. are turned on and the volume is set appropriately.
Step 2: Update Audio Drivers
If the audio device still doesn't work properly, the problem may be an outdated or corrupted audio driver. It is recommended to use Driver Sentry to automatically detect driver updates, saving time and avoiding the risk of downloading or installing incorrect drivers.
Click the download button to get the latest version of Driver Sentry, install it, and open the software, then click "Scan".
After scanning, it will display which drivers are not installed or need updates. Find the audio driver in the results list and click the "Upgrade" button.
After the update is complete, it is advisable to restart the computer to ensure the updated drivers function properly.
Step 3: Run the Windows Audio Troubleshooter
Windows has a built-in audio troubleshooting tool that can help detect and fix common audio problems automatically. Follow the steps below to run the tool:
Open "Settings" > "Update & Security" > "Troubleshooting".
Select "Other Troubleshooting Tools".
Select "Audio" and click "Run".
Click the "Run Troubleshooting" button and follow the on-screen instructions.
The tool will scan for common problems with audio settings and drivers and attempt to fix them automatically.
Step 4: Checking Audio Services
In some cases, the audio service in Windows may be disabled or not running properly, which may also cause the sound output device cannot be found. You can check and restart the audio service by following the steps below.
Press the "Windows + R" key combination, type "services.msc" and press Enter.
In the list of services, find the "Windows Audio" service.
Right-click on the service and select "Restart".
If the service is not started, right-click on it and select "Start".
Step 5: Restore System Settings
If the above methods do not solve the problem and the problem occurs after a recent system update or change, you can try to restore the system settings. Before restoring the system, please make sure to backup all important files.
To use System Restore:
Open the "Control Panel" and select "System and Security".
Select "System" and click "System Protection".
Click "System Restore" and follow the wizard to select a restore point and restore to the previous state.
Step 6: Update Windows Operating System
If you have an older version of the operating system, there may be unfixed audio compatibility issues. Regularly check for Windows updates and make sure that all important operating system updates and patches are installed.
The above is the way to fix computer can't find sound output device, hope it will help you.
See also:
How to Fix Black Screen of Death in Windows 10
7 Ways to Fix Helldivers 2 Black Screen on Startup
