1.首先檢查Windows鍵是否物理?yè)p壞或卡住，清潔并測(cè)試按鍵；2.確認(rèn)是否啟用了Win Lock鍵或被第三方軟件禁用，嘗試關(guān)閉相關(guān)功能；3.使用屏幕鍵盤(pán)或在BIOS中測(cè)試該鍵，判斷是否為硬件問(wèn)題；4.更新或重新安裝鍵盤(pán)驅(qū)動(dòng)程序；5.檢查組策略或注冊(cè)表中的NoWinKeys設(shè)置，若值為1則改為0；6.運(yùn)行Windows內(nèi)置鍵盤(pán)疑難解答工具；7.連接外接鍵盤(pán)測(cè)試，確認(rèn)內(nèi)置鍵盤(pán)是否故障；8.重啟Windows Explorer進(jìn)程以修復(fù)系統(tǒng)外殼問(wèn)題。通常問(wèn)題源于設(shè)置被更改或軟件沖突，若所有方法無(wú)效，則可能存在硬件故障，需進(jìn)行維修。

The Windows key suddenly stopping working can be frustrating, especially since it’s central to navigation in Windows. The good news is that it’s usually fixable. Here are the most common causes and solutions:

1. Check if the Windows Key is Physically Damaged or Stuck

Sometimes the issue is physical:

• Inspect the key for debris, dirt, or damage.
• Gently clean around the key with compressed air.
• Press and release the key a few times to see if it’s stuck or unresponsive.

If the key feels loose or doesn’t click properly, it might be a hardware issue requiring keyboard replacement (especially on laptops).

2. Make Sure the Windows Key Isn’t Disabled

Some systems or third-party tools can disable the Windows key:

• Check for a "Win Lock" key: Some keyboards (especially gaming ones) have a Win Lock button (often labeled with a lock icon and a Windows logo). Press Win Fn or Fn Win Lock to toggle it back on.
• Third-party software: Tools like AutoHotkey, gaming utilities, or keyboard remappers might have disabled the key. Restart your PC or check running background apps.

3. Test the Key in Another Application or Environment

• Open On-Screen Keyboard (go to Start > Settings > Ease of Access > Keyboard > turn on "Use the On-Screen Keyboard").
• Click the Windows key on the on-screen keyboard. If it works, the issue is likely with the physical key or driver.
• Try booting into BIOS/UEFI (restart and press F2, F12, or Del during startup). If the Windows key doesn’t work here, it could be a hardware problem.

4. Update or Reinstall Keyboard Drivers

Outdated or corrupted drivers can cause key failures:

1. Press Ctrl Shift Esc to open Task Manager.
2. Go to File > Run new task, type devmgmt.msc, and press Enter to open Device Manager.
3. Expand Keyboards, right-click your keyboard, and select Update driver.
4. Choose Search automatically for updated driver software.
5. If that doesn’t help, right-click and Uninstall device, then restart your PC to reinstall the driver.

5. Check Group Policy or Registry Settings (Especially on Work PCs)

In some cases, the Windows key is disabled via policy:

• Press Ctrl Shift Esc, open Task Manager, and run regedit as a new task.
• Navigate to:

  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer

• Look for a DWORD called NoWinKeys. If it exists and is set to 1, double-click it and change it to 0.
• Restart your computer.

Note: This setting is often used in corporate environments. If you're on a work or school PC, contact your IT department.

6. Run Keyboard Troubleshooter

Windows has a built-in troubleshooter:

• Go to Settings > System > Troubleshoot > Other troubleshooters.
• Run the Keyboard troubleshooter and follow the prompts.

7. Try an External Keyboard

If you're using a desktop or can connect an external keyboard:

• Plug in a USB keyboard.
• Test the Windows key on it.
• If it works, the issue is with your built-in keyboard.

8. Restart Windows Explorer

Sometimes the shell process stops responding:

1. Open Task Manager (Ctrl Shift Esc).
2. Find Windows Explorer under Processes.
3. Right-click it and choose Restart.

This can restore Windows key functionality if the OS is running but the shell is glitched.

Basically, start with the simple stuff—check for a Win Lock key, restart your PC, test with the on-screen keyboard—then move to drivers or registry if needed. Most cases are either a toggled setting or a software conflict. If none of the above works, it might be time to consider hardware repair.

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