How to lock screen Windows 8: Press Windows key L. Press the Windows button (if your device has one). Press the Windows key P, select Second screen only, and then select Disconnect. Press Ctrl Alt Del and select Lock. Enter the following command in the command prompt and press Enter: rundll32.exe user32.dll,LockWorkStation
How to Lock Screen Windows 8
Method 1: Using keyboard shortcuts
Method 2: Use the Windows button
Method 3: Use Screen Lock
Method 4: Use the Task Manager
Method 5: Using the Command Prompt
<code>rundll32.exe user32.dll,LockWorkStation</code>
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