Our computers have many features to protect our privacy. For example, it can feel unsettling to know someone outside your home could use your computer’s microphone to record whatever you’re doing. However, these protections can be a problem if you accidentally enable them. Here are three common sources of error you should be aware of: Windows: You can completely block the microphone’s access directly in Windows. Open Settings (via the Start button at the bottom left) and click on System > Sound . Scroll down to Advanced , click on All Audio Devices and select your microphone. Under General , choose which apps can access the device. Make sure it’s set to Allow . Web browser: You can control which sites can access your microphone. In Google Chrome, click on the three dots in the top right and select Settings > Privacy and Security > Site Settings > Microphone to manage permissions. Button : Some computers have shortcut keys that toggle the microphone on and off. On many computers, you can use Fn + F4 to toggle it. Make sure this is in the correct position.