If you see a yellow exclamation mark in Device Manager, it’s usually one of three things:
Remember, the lens says f=3.85mm. This is a fixed focal length. To focus, you must physically rotate the lens barrel on the front of the camera. It is not an autofocus camera. Twist the outer ring of the lens slowly while looking at the screen until the image is sharp.
If you see a yellow exclamation mark in Device Manager, it’s usually one of three things:
Remember, the lens says f=3.85mm. This is a fixed focal length. To focus, you must physically rotate the lens barrel on the front of the camera. It is not an autofocus camera. Twist the outer ring of the lens slowly while looking at the screen until the image is sharp.