No Sound from Desktop or Laptop Computer in Classroom

Tags staff faculty

There are many possible causes for audio problems. Begin by checking the easiest ones first.

Step-by-Step Solutions:

1. Check the Crestron Control Panel​​​​​​​

  • If 'No Sound' is selected, it will be highlighted on the control panel.​​​​​​​
  • Press the 'No Sound' button to turn it off.
  • Use the Volume menu to adjust audio levels​​​​​​​

2. Verify the Input Source

  • ​​​​​​​Make sure the correct source is selected.​​​​​​​
  • In rooms with multiple monitors or Dual Image setups, audio plays from the most recently selected source.
  • Reselect the desired source to restore sound.

3. Check the Computer’s Volume Settings

  • Locate the speaker icon in the taskbar (bottom right on Windows, top right on Mac).
  • A slash (/) or X means the sound is muted.
  • Click the icon to unmute and adjust the volume.​​​​​​​
  • If the icon is missing, try signing out and back in.

4. Inspect the Application or Website Audio

  • Some apps and websites have their own volume or mute settings.
  • Make sure sound is enabled and the volume is turned up.

5. Restart the Computer

  • If all else fails, restart the computer and try again.​​​​​​​