It seems like the microphone issue you are experiencing on your Windows 7 system could be related to the installation of the Sony Vegas software. Here are a few steps you can take to troubleshoot and potentially resolve the problem: 1. Check Microphone Hardware: - Make sure that the microphone is properly connected to the correct port on your computer. - If you are using an external microphone, try plugging it into different ports to rule out any hardware issues. 2. Enable Microphone in Sound Settings: - Right-click the speaker icon in the system tray and select "Recording devices." - Check if the microphone is listed and enabled. If it's not showing up, right-click on the empty space in the device list and make sure both...