7 days ago - Team17_Help - Direct link
Hey there Pan,

Thank you for reaching out regarding no in-game sound in Hell Let Loose.

We know you have mentioned you have switched the Sound Mixer Option, however, can you please try the following?
  1. Press the Windows Key
  2. Search for "Sound Mixer Options"
  3. Scroll down and press the 'Reset' button to reset the settings to default.
  4. Retest the game to see if the issue persists
Please let us know if reseting the settings helps you solve the problem.

Regards,
Team17 Support