Windows Key+I > Privacy > Camera > Let apps use my camera hardware should be ON
Let's execute following steps for this problem. Please update me once done.
- Use the Hardware & Devices Troubleshooter
Type Troubleshoot in Windows Start Search box > Click Troubleshoot > Scroll down & Click Hardware & Devices > Click Run the Troubleshooter & follow on-screen directions > Restart the computer after troubleshooting is completed
- Press Ctrl + Shift + Esc to invoke Task Manager > Go to the “Processes” tab > See which programs are currently running in the background of the system and If you found an app that uses Camera, end that program
- Run Built-in & Guided Walk through Windows Update troubleshooter
Built-in : Windows Key+X > Click Settings > Click Update & security > Click Troubleshoot > Click Windows Update > Click Run the Troubleshooter
Guided Walk though - https://support.microsoft.com/en-us/help/10164/...
- Run SFC Scan & DISM
How to - https://answers.microsoft.com/thread/bc609315-d...
- Refer to this Microsoft help and execute the following steps
Check your antivirus software
Check for an outdated webcam driver
Roll back your webcam driver
Uninstall your webcam driver and scan for hardware changes
Help Link - https://support.microsoft.com/en-us/help/13753/...