How to Disable Onboard Sound

Using this emindsca, you will learn how to completely disable the built-in speakers on your Windows or Mac computer (also known as “onboard sound”). For Windows computers, you can disable sound from the device’s settings, whereas for Mac computers, you will need to download an audio-moderating application called Soundflower in order to accomplish this task successfully.

Method 1 On Windows

1. Open Start. Click the Windows logo in the bottom-left corner of the screen, or press ⊞ Win.

2. Click Settings. It’s the gear-shaped icon in the lower-left corner of the Start window.

3. Click Devices. It’s in the Settings window. Doing so opens the Devices window.

4. Click the Bluetooth & other devices tab. This option is near the top of the left-hand column of options.

5. Click Sound settings. It’s below the “Related settings” heading on the right side of the page.

6. Double-click the icon for your speakers. Next to the speaker name, there should be a white checkmark on a green background, and below the speaker name, there should be the words “Default Device.” This action brings up the Speakers Properties window.

Depending on whether or not your speaker is currently in use, you’ll also notice a sound metre on the right hand side of the window.

7. Select “Device usage” from the drop-down box. It can be found near the bottom of the Speakers Properties window, on the right-hand side. In the drop-down box, you’ll most likely see the words “Use this device (enable)” written in bold.

8. Click Don’t use this device (disable). This option will appear below the drop-down box.

9. Select “Apply” from the drop-down menu. As a result, the speakers on your computer will be immediately disabled, and the Speakers Properties window’s icon will be removed from the display.

10. Click OK. Your computer’s speakers are now disabled; you won’t be able to turn on or adjust the volume at all until you re-enable them.

Method 2 On Mac

1. Soundflower is available for download. Please see: https://www.fluxforge.com/blog/soundflower-os-x-10.11-10.12-macOS-Sierra/ for additional information. Open the “soundflower 2.0b2.zip” link in your preferred browser and save it to your computer. When you click on this, the Soundflower setup folder will be downloaded to your Mac automatically.

It is possible that you will be prompted to choose a save location or confirm the download before the setup folder will begin to download.

2. Install Soundflower. Once it finishes downloading, install Soundflower by doing the following:

Open the “soundflower_2.0b2.zip” folder by double-clicking it.

Open the “soundflower” folder (leave the “_MACOSX” folder alone).

Double-click the “Soundflower.pkg” file.

Enter your administrator password if prompted.

3. Install Soundflower. Click Continue and follow the prompts to install Soundflower.

4. Restart your Mac if necessary. Once the Soundflower installation is complete, go to the Apple menu and select Restart. When prompted, select Restart again to complete the process. When your Mac has finished restarting, Soundflower will be fully installed on your computer.

5. Unplug any headphones that may be connected to your Mac. You should unplug anything that is currently plugged into the 3.5 millimetre headphone jack on your Mac at this time.

6. Open the Finder. It’s the blue, face-shaped icon in your Mac’s Dock.

If Soundflower doesn’t open automatically, open it before continuing.

7. To proceed, select the Go menu option. This is located on the left-hand side of the menu bar, which is located at the top of the screen.

8. Click Utilities. It’s in the Go drop-down menu. Doing so opens the Utilities folder.

9. Double-click on the Audio MIDI Setup button. It has the appearance of a keyboard. While you should be able to find it near the top of the Utilities folder, it’s possible that you’ll have to scroll down to find it.

10. Click +. It’s in the bottom-left side of the window.

11. Click Create Multi-Output Device. This option appears in a drop-down menu below the + icon.

12. Make sure that only the “Soundflower (2ch)” box is checked in the configuration. Select Soundflower (2ch) from the drop-down menu at the bottom of the screen, then uncheck the box next to Built-In Output.

13. Click the gear icon. It’s in the bottom-left side of the window.

14. Disable the sound on your Mac. To make them work with Soundflower, select both the “Use this device for sound output” and the “Play alerts and sound effects through this device” options in the Soundflower settings. While using your Mac, you should notice that it is no longer making any noise.

Unlike other methods, this one does not turn off the Mac’s startup sound.

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