Microphone
- Microphone not working on Windows 11: privacy settings, input device, volume, troubleshooter and drivers, with a live mic test.
Speakers and headphones
- One side silent, swapped or mono: fixes for Windows, Mac, iPhone and Android.
- Speaker wired backwards: how to find and fix reversed polarity.
- Subwoofer not working: power, cable and receiver settings.
Last reviewed 14 November 2026 by Sri Murugan Systems. Found a mistake? Tell us.