Windows 11 Batch File to Toggle/Switch Between Extend Display and Second Display

BlueSquares

May 2nd, 2025

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@echo off
setlocal enabledelayedexpansion
:: Script to toggle between Extend mode and Second Display Only mode
:: Created by Claude - May 2, 2025
title Display Mode Toggle
echo Checking current display configuration...
:: Use DisplaySwitch command to detect current display mode
for /f "tokens=*" %%a in ('powershell -command "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Screen]::AllScreens.Count"') do set screen_count=%%a
if %screen_count% LEQ 1 (
echo Only one display detected or display is in single display mode.
echo Attempting to switch to extended mode...
DisplaySwitch.exe /extend
echo Display mode changed to: EXTEND
goto :end
)
:: Check if the display is currently extended
:: We'll use a PowerShell command to check the current display state
powershell -command "$displays = Get-WmiObject -Namespace root\wmi -Class WmiMonitorBasicDisplayParams; if($displays.Count -gt 1) { exit 0 } else { exit 1 }"
if %errorlevel% EQU 0 (
echo Current Display Mode: EXTEND
echo Switching to Second Display Only...
DisplaySwitch.exe /external
echo Display mode changed to: SECOND DISPLAY ONLY
) else (
echo Current Display Mode: SECOND DISPLAY ONLY
echo Switching to Extend...
DisplaySwitch.exe /extend
echo Display mode changed to: EXTEND
)
:end
echo.
echo Operation completed.
timeout /t 3 > nul
exit

Tags: windows windows 11 diaplay appearance screen toggle switch screens extend second switch display

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