Hitting the Num Lock, Caps Lock, or Scroll Lock keys on the computer keyboard by accident can lead to undesirable consequences. You may wonder why you cannot type numbers in the Calculator when using the number pad on the keyboard after hitting Num Lock, or why your password is not accepted after activating Caps Lock by accident.
While you can add programs like NumCapsScroll Indicator that highlight which of the special key is activated on the device, you may also configure Windows 10 to play a sound whenever one of the keys is pressed on the keyboard.
Windows 10 comes with a new, somewhat hidden, option to enable a feature that Microsoft calls Toggle Keys. It is disabled by default and needs to be turned on using the Settings application. Most Windows 10 users don't know about the function probably because it is located in a place in the Settings application that most users probably don't check out.
Note: The Windows 10 version the guide was written for is version 1803. I don't know if the feature was available in previous versions of Windows 10 as well (let me know if you know).
When you enable Toggle Keys, Windows will play a sound whenever you activate the Caps Lock, Num Lock or Scroll Lock key on the keyboard. Windows 10 plays two different sounds depending on the state the key enters. The on-sound has a higher pitch, the off-sound a lower one so that you can determine the state of the key from the sound alone.
While you can enable the Toggle Keys option using the Settings application, you may also enable it by holding down the Num Lock key for five seconds straight. Doing so displays the following prompt to enable Toggle Keys if the feature is not enabled already.
Just select yes to enable the feature. If Toggle Keys is enabled already, pressing Num Lock for five seconds will turn it off. You won't get a prompt this time though but a sound to indicate the state change,
You can disable the Num Lock long-press hotkey in the Settings by removing the checkmark from "allow the shortcut key to start Toggle Keys.
Now You: Do you use Caps Lock, Num Lock, or Scroll Lock?
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