Ever had one of those moments where you’re engrossed in a movie, and suddenly, your cat decides the keyboard is the perfect place for a nap? Or maybe you were about to clean your keyboard but were afraid of accidentally pressing keys. That’s where locking your keyboard comes into play!

Why would you need to lock your keyboard?

Locking your keyboard might initially seem like a niche requirement, but several practical scenarios necessitate this action. Here are some of the primary reasons:

1: Preventing Accidental Inputs

Whether you’re stepping away from your computer briefly or working in an environment with others around (like children or pets), there’s always a risk of accidental keypresses. These unintentional inputs can disrupt ongoing tasks, make unwanted changes, or even potentially cause harm if, for instance, a critical process is running.

2: Cleaning Purposes

Dust, debris, and other particles tend to accumulate on keyboards over time. When cleaning, there’s a high chance of inadvertently pressing multiple keys. Locking the keyboard ensures you can clean it thoroughly without any accidental activations.

3: Safekeeping During Remote Access

If you’re accessing your computer remotely or allowing someone else to do so, locking your keyboard can prevent any local inputs from interfering with the remote session.

4: Avoiding Tampering

In office environments or shared spaces, you might want to protect your ongoing work or specific applications from being tampered with. Locking the keyboard is a simple measure to prevent unauthorized access or alterations.

5: Technical Troubleshooting

Sometimes, while diagnosing technical issues or running specific software processes, it’s recommended to lock the keyboard to prevent any inputs that could interfere with the troubleshooting steps.

Each of these situations underscores the importance of having the option to lock your keyboard, offering both practicality and peace of mind in diverse scenarios.

Steps to Lock Your Keyboard

Locking your keyboard can be a handy feature when you need to prevent unwanted keystrokes. Windows offers a primary method to lock and subsequently unlock your keyboard:

1: Using the Fn key and the Num Lock key

  • Locking:
    • Press and hold the Fn key on your keyboard.
    • While holding the Fn key, press the Num Lock key.
    • Your keyboard is now locked.
  • Unlocking:
    • Press and hold the Fn key on your keyboard again.
    • While holding the Fn key, press the Num Lock key.
    • Your keyboard is now unlocked.

Additional Considerations

  • For laptop users: Depending on the laptop model, you might need to press the Fn key in combination with the Spacebar key instead of the Num Lock key to execute the locking and unlocking functions.
  • For desktop computer users: If the On-Screen Keyboard app is not pre-installed on your system, you can download it from the Microsoft Store.
  • Virtual machine users: If you’re operating within a virtual environment, be sure to use the keyboard shortcuts specific to that virtual machine software to lock and unlock your keyboard.


Mastering the intricacies of your computer system, such as knowing how and when to lock your keyboard, is pivotal for efficient and hassle-free computing. It’s not just about the technicalities but also about understanding the circumstances in which these functionalities can be beneficial. From safeguarding your work to ensuring smooth remote sessions or simply cleaning your workspace, locking the keyboard is an often-overlooked but immensely helpful tool in your computing arsenal.