Begin with a source-selection problem
Consider someone who already uses BRIO 100 with a laptop and moves between a desk and another workspace. The laptop also has a camera. After rearranging the setup, the picture in Teams may not be the view they expected. Do not begin by assuming the external camera has become worse or that docking always selects a particular device. First establish which available camera the application is actually using in this session.
Use the device name as the first clue
Microsoft documents a Camera choice under Teams device settings and a video preview. Open that selection in an appropriate private session and read the available names. Choose the intended source rather than relying on where a cable appears to lead. An item being connected to the computer and an application selecting it are separate observations. If the expected camera is absent from the list, note that fact instead of treating a different camera's preview as its output.
Confirm the source with an observable view
With the camera names understood, compare the preview to the position of the intended device. A laptop camera and a separately placed camera can show different viewpoints. The preview helps identify that relationship; it is not a resolution or colour-accuracy test. Avoid broadcasting the experiment to a meeting. Use the application's documented preview before joining, and inspect only content you are comfortable including while you resolve the selection.
Keep the model facts on the correct side of the comparison
Logitech identifies BRIO 100 as a 1080p webcam with a built-in microphone. Those are attributes of that model, not of every camera or microphone Teams might list. Microsoft provides separate audio-device choices, so a camera selection is not evidence that a particular microphone was selected too. Read the names for each required input without assuming they move together. Write the selected camera and microphone names in the desk-change note, so the next session starts with identifiable inputs.
Save a desk-change check, not a shopping verdict
Once the intended source is selected, see whether the original complaint still exists. If it does, record that remaining complaint separately for the next investigation. A short note can name the intended camera and the preview check to repeat after changing the desk arrangement. This suits a person with several available inputs; someone with only one camera has a different diagnosis. Replace hardware only for an identified unmet need, rather than buying another camera because the application was showing the wrong source.
Sources & further reading
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