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William OrrAug 7, 2025
Why is an unknown device listed in Windows Device Manager for Ocean Optics NIR?
- TTiffany HorneAug 7, 2025
If you see an 'Unknown device' listed in Windows Device Manager, it indicates improperly installed USB devices. To fix this, locate the unknown device (marked with a large question mark), right-click on it, and select the Uninstall or Remove option.