How can you tell if Caps Lock is on?
How to tell whether Caps Lock is on. If you pressed the Caps Lock key, you can turn it off by pressing the key again. Many keyboards have a built-in status indicator that lights up when the Caps Lock key is on. This LED is located either directly on the key or on the status bar of the keyboard, if there is one.
Does Caps Lock matter in password?
A common problem: Check the "Caps Lock" indicator on your keyboard before typing your password; if the "Caps Lock" key has been pressed, your password might not be recognized. Uppercase and lowercase letters need to be typed exactly the same way every time you use the password.