Windows keyboard input issue: Z key stops working across multiple keyboards and persists after reset

It appears that you are experiencing a persistent issue with the Z key not registering when pressed alone, despite it functioning correctly in other contexts (like BIOS and with modifier keys). Given that the problem persists across multiple keyboards and after various resets, it suggests that the issue may be related to software or settings within Windows rather than a hardware failure.

Here are some steps you can take to troubleshoot and potentially resolve the issue:

1. Check Keyboard Layout and Language Settings: Ensure that your keyboard layout is set correctly in Windows. Sometimes, incorrect settings can lead to unexpected behavior with certain keys.
2. Update Keyboard Drivers: Make sure that your keyboard drivers are up to date. You can do this through Device Manager by right-clicking on the keyboard and selecting "Update driver."
3. Run Keyboard Troubleshooter: Windows has a built-in troubleshooter for keyboard issues. You can access this by going to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Keyboard.
4. Check for Third-Party Software Conflicts: Since you mentioned using Razer software, ensure that there are no conflicting settings or profiles that might affect the keyboard input. Temporarily disable or uninstall any third-party keyboard management software to see if the issue persists.
5. Create a New User Profile: Sometimes, user profile corruption can lead to strange behavior. Creating a new user profile can help determine if the issue is user-specific.
6. Check Accessibility Settings: Ensure that any accessibility features that might affect keyboard input (like Sticky Keys or Filter Keys) are turned off.
7. Reset Windows Input Settings: If the issue persists, consider resetting the input settings to their defaults. This can sometimes resolve underlying configuration issues.
8. Check for Windows Updates: Ensure that your Windows 11 installation is fully updated, as updates can fix bugs and improve hardware compatibility.

If none of these steps resolve the issue, it may be worth checking forums or support communities for any similar reports regarding Windows 11 keyboard input issues, as there may be a known bug affecting specific key inputs.

References:

• Keyboard Input Overview