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You can add a Turn off display command to the Windows 11 desktop context menu with a registry file. It requests that the display turn off; it does not shut down Windows or put the PC to sleep. The command is not a per-monitor selector, and its behavior can vary with hardware, drivers, foreground activity, and display connections.
What the context-menu command does
The ElevenForum tutorial adds a command to the desktop right-click menu by creating a registry verb under HKEY_CLASSES_ROOTDesktopBackgroundShellTurnOffDisplay. The method uses a registry file; follow one complete recipe from the tutorial rather than mixing registry data or quoting from different forum posts. Before importing any registry file, open it in a text editor and check what keys and values it will add.
The command is based on Windows’ WM_SYSCOMMAND message. Microsoft documents WM_SYSCOMMAND as 0x0112 and SC_MONITORPOWER as 0xF170; for this system command, an lParam value of 2 requests that the display be shut off. Microsoft describes the function directly: “SC_MONITORPOWER Sets the state of the display.” The documented values explain the request, not a guarantee that every Windows 11 PC or monitor will respond identically. Microsoft Learn: WM_SYSCOMMAND message.
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Open the ElevenForum tutorial and locate its add-registry-file recipe.
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Inspect the registry file in a text editor before running it. Confirm that it is the add recipe and that its registry path and command data match the tutorial; do not combine it with alternate command lines from replies.
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Run the inspected file and approve the Registry Editor prompts if you choose to proceed. Then right-click the desktop and look for Turn off display. Depending on the Windows 11 context-menu layout, you may need to select Show more options to see the classic menu.
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Select the new command to request that the display turn off. If the screen does not respond as expected, move the mouse or press a key to see whether it wakes, then check the troubleshooting notes below.
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This is a third-party registry customization, not a Microsoft-supported Windows setting. The tutorial includes reports from older Windows 11 builds, so compatibility with every current build is not established.
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How to undo the change
The tutorial’s removal recipe deletes the TurnOffDisplay subkey at HKEY_CLASSES_ROOTDesktopBackgroundShellTurnOffDisplay. You can use its removal registry file after inspecting its contents, or remove that specific subkey in Registry Editor if you are comfortable editing the registry. Be precise: deleting a different key can affect unrelated context-menu entries or other Windows behavior.
What to check if it does not work
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The item is missing: Confirm that the add file ran successfully and that you are right-clicking the desktop, not a folder or a File Explorer window. On a managed PC, an administrator-applied policy may disable shortcut menus. Microsoft documents the
NoViewContextMenupolicy as removing shortcut menus from the desktop and File Explorer; its existence does not mean that policy is set on your PC. Microsoft Learn: NoViewContextMenu policy.Rank #4
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The menu item appears but the display stays on: The command requests a display state through Windows; hardware, drivers, active applications, and display connections can affect the result. The Microsoft API reference documents the request values, not uniform behavior across all systems.
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You need to turn off one particular monitor: This context-menu method does not select an individual display. NirSoft’s MultiMonitorTool offers command-line controls for selected monitors; its monitor on/off operation requires DDC/CI support. See the MultiMonitorTool documentation for its options and requirements.
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Desktop menu or per-monitor control?
| Approach | Scope | Dependency | Important limit |
|---|---|---|---|
| Windows desktop context-menu verb | Requests display shutoff; it is not a selected-monitor control. | Registry customization using Windows components. | Behavior can vary across hardware, drivers, activity, and display connections; current-build compatibility is not established by the tutorial. |
| NirSoft MultiMonitorTool | Can target a particular display. | Optional downloaded utility. | Its monitor on/off function requires DDC/CI support. |
Use the desktop menu when you want a quick display-off request from the desktop. Choose a per-monitor utility only if you need to target a specific display and your monitor supports the required control.
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