How to Turn OFF Laptop Screen when Connected to TV or Monitor on Windows 11 (Settings Tutorial)

Turn Off Monitor Software is a Utility for Windows 10 or Windows 11 to Switch Off your Desktop or Laptop Monitor with single Mouse click or by pressing a Keyboard key. The Software also supports Switching Off Multiple Monitors on a Multi Monitor Computer.

如果要讓電腦快速關閉螢幕顯示，除了可以在「Windows 設定」裡面的「電源與睡眠」中將自動關閉螢幕的閒置時間設短一點，如 3 分鐘或 5 分鐘，也可以另外下載這個 ScreenOff 這個小程式，把它放在工具列或開始選單裡，當你要關閉螢幕時只要滑鼠按一下，就可以馬上暗掉，非常方便。 螢幕關閉後其實電腦還在正常運作中，此時只要按一下鍵盤或搖一下滑鼠，就可以開始使用。 將軟體下載回來、解壓縮後，直接點兩下「ScreenOff 2.1.exe」程式，即可關閉你的電腦螢幕。 如果常用的話，可以將 ScreenO

ScreenOff is a lightweight and user-friendly freeware application that enables you to turn off your Windows monitor screen with just one click, without putting it into sleep mode.

Display power off utility. Powers off desktop/notebook display and optionally locks workstation. Can be set as a screensaver. Can be launched as a system tray icon application.

利用快速鍵關閉螢幕 - Monitor Off，有的電腦沒有關閉螢幕的快速鍵，可以使用這個小軟體來解決，沒有使用者界面，只要執行後同時按下鍵盤「Ctrl」、「Shift」、「F4」這三個鍵，就可以關閉電腦螢幕。

Turn Off Monitor Software is a Utility for Windows 10 or Windows 11 to Switch Off your Desktop or Laptop Monitor with single Mouse click or by pressing a Keyboard key.

But what if you just need to turn off the display on your laptop screen manually right away, without locking the laptop or putting it to Sleep? ScreenOff is portable, just place it wherever you can click it when you want to turn your screen off.