How to fix Roblox voice chat not working on Windows. ... Disconnect and reconnect your audio input: If you’re using a wired connection for mic input, it could be that a connection is loose.

This will open the cache location of Roblox. Press Ctrl + A to select all files and press the Delete button.; Make sure you’re not logged into Roblox on multiple devices because that can also trigger ...

Should that not work, try exiting the game and reloading. It could be that you’ve had an interruption with your connection to the servers and need to restart the game to reconnect.