If all camera-related software is fully updated, and the problem persists: For help with software updates, see Updating software in Apple's support documentation.
Device drivers for external cameras are commonly available from the manufacturer's website.
For issues on other Android devices, contact your campus Support Center.
To run troubleshooting steps that may not require administrative access, click the Run troubleshooter drop-down. Running the audio troubleshooter may help resolve your issue, but it requires administrative access to your computer.