Try a different USB port and scan for hardware changes

Support

Hello,

Select a different account.

You have multiple accounts

Choose the account you want to sign in with.

If you're using an external camera, plug it into a different USB port on your PC first. If that doesn't work, or your camera is built-in to your PC, try this:

Select Start , enter device manager, then select it from the search results.
Find your camera under Cameras.
If you can't find your camera, select Action > Scan for hardware changes.
Wait for it to scan and reinstall updated drivers, restart your PC, and then try opening the Camera app again.
If these steps don't fix your issue, continue to the next steps.