If you don't hear any sound, or are having trouble with your mic when using Oculus Link, make sure that your software is up to date and that the volume is not muted on the device andcomputer. Next, check the audio input and output sources for both your headset and your PC. To check the audio input and output for your Meta Quest: Open the Oculus app on your computer. Click Devices in the left side menu and then select Meta Quest and Touch. Below Audio Output in VR, make sure your Meta Quest is selected. To check the audio input and output for your PC: Click the Speaker icon in the taskbar in the bottom-right part of your screen. Click the ^ arrow to open a list of audio devices connected to your computer. Check that your audio and mic are both set to Oculus Virtual Audio Device. Additionally, if you are using any third-party VR software on your PC, make sure that Oculus Virtual Audio Device is set as your audio input and output source there as well.