# The on-air button is red but no sound playing

**URL:** <https://discourse.libretime.org/t/the-on-air-button-is-red-but-no-sound-playing/1466>\
**Category:** Get Help\
**Created:** [April 25, 2023, 2:26am UTC](https://discourse.libretime.org/t/the-on-air-button-is-red-but-no-sound-playing/1466 "2023-04-25T02:26:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Zorigt](https://avatars.discourse-cdn.com/v4/letter/z/d07c76/32.png) [@Zorigt](https://discourse.libretime.org/u/Zorigt)\
**Post date:** [April 25, 2023, 2:26am UTC](https://discourse.libretime.org/t/the-on-air-button-is-red-but-no-sound-playing/1466/1 "2023-04-25T02:26:06Z")

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Hi  
i have installed libretime on ubuntu 20.04 and everything went really well.  
but when I make the schedule on calendar and start streaming the on-air button becomes red and track looks playing but no sound. What should i do? please help guys