How to Troubleshoot and Resolve Non-Functional Function Keys on HP ProBook 640 G1 with Windows 10 Pro

If some of the function keys on your HP ProBook 640 G1 are not working in Windows 10 Pro, several factors could be causing this issue. Here’s a detailed breakdown of potential reasons and solutions to help you resolve the problem.

Keyboard Settings

Many laptops have a function lock feature that can toggle the behavior of the function keys. If the Fn key is locked, you may need to press the Fn key in combination with the function key to get it to work.

Solution:

Look for an FN Lock key, which is often a combination of the FN key and another key like Esc or a dedicated FN Lock key. Toggle it to switch the function locks on and off.

Driver Issues

Outdated or corrupted drivers can lead to malfunctioning keys.

Navigate through the following steps to update your drivers:

Right-click the Start button and select Device Manager. Expand the Keyboards section. Right-click on your keyboard device and select Update driver. Choose Search automatically for updated driver software. Restart your computer after the update.

Keyboard Layout Configuration

Incorrect keyboard layout settings in Windows can also prevent certain keys from functioning as expected.

To resolve this, follow these steps:

Go to Settings ? Time Language ? Language. Ensure that your preferred language is set and that the keyboard layout matches your physical keyboard.

Hardware Issues

Dust, debris, or physical damage can cause keys to malfunction.

Troubleshoot the issue by:

Cleaning the keyboard gently using compressed air. If keys are physically damaged, they may need to be repaired or replaced.

BIOS Settings

Function key behavior can also be set in the BIOS.

To check and change the BIOS settings:

Restart your laptop and enter the BIOS/UEFI setup usually by pressing F10, Esc, or another key during startup. Look for an option related to function key behavior; it may be under System Configuration and ensure it is set to your preference (Function keys vs. Multimedia keys).

Windows Updates

Pending updates can sometimes cause issues with hardware functionality.

To check for and install updates:

Go to Settings ? Update Security ? Windows Update. Install any available updates.

Third-Party Software Conflicts

Certain third-party software, especially those related to keyboard customization or macros, can interfere with function key operations.

Test to see if this is the cause:

Temporarily disable or uninstall such software to see if it resolves the issue.

Accessibility Features

If accessibility features like Sticky Keys or Filter Keys are enabled, they can affect keyboard functionality.

Follow the steps to check and disable these features:

Go to Settings ? Ease of Access ? Keyboard. Check and disable Sticky Keys and Filter Keys.

Conclusion

If none of these solutions resolve the issue, consider a hardware diagnostic test which HP provides through its support website. You can also consult HP customer support for further assistance.