Connect and test a USB microphone

After attaching a USB microphone, choose it under Windows input settings and record a short sample. Check mute, input level and app permission before assuming a connection fault. A USB device can appear correctly while a meeting app still records from the laptop's internal microphone instead.

Windows controls app access

Microsoft explains that camera and microphone access is governed by Windows privacy settings as well as by the application. Under Privacy and security, enable the relevant device access and app controls. Microsoft Store apps can have individual switches, while desktop applications use a broader access control rather than appearing with identical per-app toggles.

Watch the activity indicators

A camera light or Windows notification indicates camera use, and a microphone icon appears in the taskbar notification area while an app records audio. Websites may also need permission in the browser. These layers explain why hardware can appear in Windows but remain unavailable inside a call: confirm the selected device, Windows permission and browser or application permission before assuming a USB connection has failed.