If it is off, your camera screen may show a lock icon. Check the Function keys on your laptop. If there is such a Function key, you will see a Camera icon on the key.

Keys with an Fn key or F Lock provide two sets of commands for many keys on a keyboard. This includes the top row of standard function keys (F1–F12).In this post, we will show you how PC users ...

At the very top of the Keyboard settings is the option to change the function of the Search key via a drop-down menu. Simply click on the drop-down box, select Caps Lock and you're done.