For users of Talview’s assessment and interview platforms, a non-functioning USB webcam on Windows can be frustrating and potentially a disruptive issue. When your webcam isn’t working, it directly impacts your ability to participate in proctored exams, live interviews, or video-based assessments. This article explains why your USB webcam is not working and shares some free ways to easily fix it.

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✅Common Causes and Fixes

What might be wrongWhat you can do
Insufficient power from the USB HubUse a powered USB Hub (one that plugs into a wall outlet) or connect the camera directly to a USB port on your computer.
Faulty USB Cable or PortTry a different USB Cable for the camera / USB port on your computer for the Hub
USB Hub Compatibility issuesVerify the USB version of your camera and the hub, ensure they are compatible. If possible, try a different brand or model of USB hub.
Windows USB Port Management1. Disconnect the camera from the hub, and the hub from the computer.
2. Shut down your computer completely (not just restart).
3. Unplug the power cable from your computer for about 30 seconds or remove the battery.
4. Press and hold the power button for 15 secs to drain the residual power.
5. Reconnect and boot up your computer.
6. Then, try connecting the camera to the hub.
💡Additional Tips:
  1. Restart Your Computer: A simple restart can often resolve temporary software glitches.
  2. Test on Another Computer: If possible, try connecting your camera to another computer (with or without the USB hub) to determine if the issue is with the camera itself or your Windows PC.
  3. Run Hardware and Devices Troubleshooter: In Windows, search for “Troubleshoot settings” and select “Hardware and Devices” troubleshooter. Run it to see if it can identify and fix any issues.