Likewise, the keyboard typing wrong characters/letters are another issue users report.

Why won’t the Num Lock key stay on?

The most common cause is the Fast Startup feature in Windows computers. It speeds up the system’s startup process in a way that is faster than the normal process. So, the Num Lock key and other keys may not start properly. Other factors that can cause the Num Lock key not to stay on are:

External device interference – Sometimes, devices connected to the computer can affect how it works and interfere with its functionality, like the Num Lock. For instance, having an external keyboard connected while using your PC’s keyboard may cause problems. Outdated Windows – Not keeping Windows OS up to date can cause issues with the various components of your computer. It prevents your Windows from being able to fix bugs that are liable to cause problems with your PC’s functionality. Issues with the BIOS – Specific configurations in the Windows BIOS can affect the Num Lock function on your computer. They can cause problems with Windows thinking the Num Lock function is off, then turning it on when it is already on. It results in the num lock function turning off.

Sometimes, users can experience issues with Num Lock not staying for unrelated reasons. Nonetheless, you can fix it by tweaking some settings on your PC.

What can I do if the Num Lock won’t stay on?

Before trying any troubleshooting steps, go through the following preliminary checks:

Disconnect any external device on your computer. Restart Windows in Safe Mode and check if the Num Lock issue is resolved.

If the Num Lock problem still occurs, proceed with the following solutions:

1. Disable fast startup

Disabling Fast startup allows Windows to start its components properly before starting up.

2. Update Windows OS

Updating your OS can fix bugs affecting your PC and causing the Num Lock not to stay on. SPONSORED If you encounter issues with the Windows update, check our guide on fixing Windows updates & security issues on your PC.

3. Update your keyboard driver

Updating your keyboard driver can fix any problems or bugs plaguing it. If you can’t go with the steps above, check other ways to update drivers on Windows 11.

4. Enable the Registry key

Using the Registry Editor allows you to edit the keyboard registry keys, helping it to function. Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.

5. Turn off the Mouse key

Many users have reported that this helped them fix the problem with the Num Lock not staying on. Alternatively, you can read about what to do if the number pad is not working in Windows 10/11. Likewise, we have a detailed guide on how to fix keyboard beeping when typing on your PC. Please leave your suggestions or questions in the comments section below.

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