Hi, good day!
- Are you referring to the Camera app?
- When was the last time it worked properly?
- Have you made any changes to your computer recently?
Please try the following methods below.
- Check your antivirus software
In your antivirus software settings, look for settings that block access to your camera or permission to use your webcam. For help, visit your antivirus software company’s website.
- Run the Hardware and Devices troubleshooter Press Start then search command prompt
Right click then Run as administrator
Please type the command below then press Enter
msdt.exe -id DeviceDiagnostic
Run the troubleshooter
Restart your computer
I look forward to receiving your update and I'm willing to collaborate with you till we resolve the issue. Do keep me informed by clicking "Add comment" below.