Thank you, the Camera app should display an error code.
Also, please do this:
Press Windows+R keys on the keyboard, or Right-click Start on the Taskbar and choose Run.
Type devmgmt.msc
Press Enter.
Open Camera/ Imaging devices, expand it and right-click the Camera.
Choose Uninstall.
Restart the PC and verify.
I look forward to hearing from you to get the results of the troubleshooting.