Most Windows keys do not work are setup or system issues. 1. Check whether the "Use Windows Key Hotkey" function is enabled and turn off the relevant software or services. 2. Run Windows built-in keyboard troubleshooting detection questions. 3. Check whether there is a Scancode Map entry in the registry, and if so, delete it to restore the Win key. 4. Update or reinstall the keyboard driver, try uninstalling the device and restarting it automatically. 5. Test hardware problems, change the external keyboard or use the test website to determine whether it is damaged. Most cases can be solved through the above steps.

The Windows key suddenly stopped working, which is really annoying. It is not like other keys that are just used occasionally, but is one of the core of system operation. Don't worry, in most cases, this problem is not because the hardware is broken, but because there is a little problem at the setup or system level. Next, I will tell you how to investigate and solve it in several directions.

1. Check whether the "Use Windows Key Hotkey" feature is enabled

Some software (such as Remote Desktop Tools, Game Assistant, or Third-party Shortcut Key Manager) may temporarily disable Windows keys to prevent accidentally touching and causing the current window to be cut out.

You can do this:

• See if there are any recently installed similar software, try to close them and test them again
• Check if there are related services running in Task Manager
• Go to the settings of these software to find out if there are options like "Enable/Disable Win Keys"

If you are not sure which program is affecting it, you can try restarting the computer and testing it again.

2. Quick fix: Troubleshooting with keyboard

Windows comes with a simple keyboard detection tool, which can't solve all problems, but is worth a try.

The steps are as follows:

• Open Settings → System → Troubleshooting
• Find the "Keyboard" project and click "Run"
• Follow the prompts to execute step by step

This process will help you identify some basic problems, such as driver exceptions or certain keys are marked as invalid.

3. Check WinKey settings in the registry

Sometimes, when the registry key is modified, the Win key will be invalid, such as being tampered with by some optimization software.

How to operate:

1. Press Ctrl R to open the run box, enter regedit and press Enter
2. Positioning path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout
3. Check whether there is an item named Scancode Map on the right
4. If so, it means that the Win key may be blocked by the mapping. Right-click to delete it

??Note: It is recommended to back up before modifying the registry, just in case.

4. Update or reinstall the keyboard driver

Problems with the driver may also cause some keys to fail, including the Win key.

Operation suggestions:

• Press Win X to select Device Manager
• Expand "Keyboard" and right-click your keyboard device (such as a standard PS/2 keyboard or specific brand)
• Select "Update Driver" to try
• If it doesn't work, you can select "Uninstall Device" and then restart and let the system automatically reinstall the driver.

If you use the keyboard with your laptop, you can also download the latest driver package to install it manually on the official website.

5. Test keyboard hardware problems

If none of the above methods are useful, it may be a hardware problem.

You can judge this way:

• Change an external keyboard to try whether the Win key is normal
• Use a keyboard to test the website (such as keyboardtester.com ) to see if the Win key is responsive
• If it is a mechanical keyboard, you can remove the key cap and clean it up. Sometimes the dust stuck will cause the key to be invalid.

If the built-in keyboard is damaged, it may need to be sent for repair; if it is a peripheral, consider changing to a new one.

Basically these common ways of dealing with it. Most of the cases are software conflicts or driver problems, and you can solve them by just checking them. If you accidentally change the registry or install strange tools, remember to look back and see if something went wrong in these places.

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