: Download the drivers for the Logitech QuickCam Pro 9000 directly from the Logitech Support Site.

: Note that this specific camera unit (CP-CAM-C) typically does not include a built-in microphone for PC use; it relies on the IP phone's audio system. You will likely need a separate microphone or headset. Troubleshooting & Support Technical Details [Cisco IP Phone 7800 Series]

Install the official Cisco INF file. If still not working, use ManyCam or OBS to force 1080p by overriding the default format. In OBS: Add Video Capture Device → Deactivate “Use hardware decoding” → Choose custom resolution 1920x1080.

The camera is locked to 50Hz (European) vs 60Hz (US) power line frequency.

If you see "Cisco Unified Video Camera" with a yellow warning icon, right-click it and select > Search automatically for drivers . 2. Manual Installation via Driver Hubs

Windows 10 is blocking an unsigned or modified driver.

Expand or Imaging Devices . If you see "Cisco Unified Video Camera" with a yellow exclamation mark, right-click it and select Update driver .