To disable the onboard sound on your computer, you can follow these general steps. Please note that the exact steps may vary depending on your computer's make, model, and operating system.
Open the Device Manager: In Windows, you can right-click on the Start button and select "Device Manager" from the menu. On a Mac, you can go to the Apple menu, choose "System Preferences," and then select "Sound" or "Audio."
Locate the sound device: In the Device Manager or Sound settings, look for the section related to sound or audio devices. It is typically labeled as "Sound, video, and game controllers" or "Audio."
Disable the onboard sound device: Expand the sound or audio section, and you should see the onboard sound device listed. Right-click on it and select "Disable" or "Disable Device." Confirm any prompts that may appear.
Restart your computer: After disabling the onboard sound device, it's recommended to restart your computer to apply the changes.
Once you have completed these steps, the onboard sound should be disabled, and your computer will no longer use it as the default audio output. If you want to re-enable the onboard sound in the future, you can follow the same steps but choose "Enable" instead of "Disable" in the Device Manager or Sound settings.
It's worth noting that some computers may have additional BIOS/UEFI settings that control onboard sound. If disabling the sound device through the operating system doesn't work, you may need to access the BIOS/UEFI setup utility during the boot process and navigate to the appropriate settings to disable the onboard sound. The specific steps for accessing the BIOS/UEFI and the location of sound-related settings can vary depending on your computer's manufacturer and model.