Num Lock

  • Num Lock is a key that is typically located near the keypad on the right side of a keyboard. Like Caps Lock, Num Lock is a toggle key, which toggles the input of certain keys, depending whether Num Lock is on or off.

    Num Lock is short for Number Lock. It was implemented in early Windows keyboards to lock the input of the numeric keypad. When Num Lock is on, the keypad only enters numbers. When Num Lock is off, the keys may provide different input as indicated below:

    While you may not need to use the Num Lock key with your keyboard, it is helpful to know the keys function. If you find yourself trying to enter numbers with the numeric keypad and nothing appears on the screen, it is possible that Num Lock is OFF. If this is the case, pressing the Num Lock key should fix the problem.


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