Why is my camera showing a black screen?

Why is my camera showing a black screen?

Go to the phone Setting>General>Accessibility and turn off the 'Voice-Over' feature. After that wait for a while and again launch the camera app. The common way to fix iPhone black screen camera issue is to reset the power cycle of the device by pressing Power (Wake/Sleep) button of the device for few seconds.

Why is my camera not working on Windows 10?

Just open the Device Manager, right-click on your webcam device and select Properties. Go to the Driver tab and then click on Roll Back Driver. Select the appropriate reason why you want to roll back to old drivers, and click Yes. Reboot your computer and check if the Camera app is working or not.