This video is a comprehensive troubleshooting tutorial for Discord microphone issues. It systematically covers the entire process from checking Discord's in-app settings, adjusting Windows system sound configurations, to verifying hardware connections. The tutorial includes 6 core repair steps: correctly selecting the input device, testing microphone functionality, adjusting Windows audio permissions, enabling disabled recording devices, running system troubleshooters, and performing physical hardware checks. It offers specific guidance for common problems such as the microphone not being recognized, low volume, and accidental activation of Push to Talk mode. Each step includes detailed click-path instructions and important notes, making it suitable for all users experiencing Discord voice call problems to quickly identify and resolve issues, with the entire diagnostic process taking approximately 3 minutes to master.