Dunno if you still need this answer but for future reference (and in case others find this page) here are the commands for changing screen: Project flyout- %windir%\System32\DisplaySwitch.exe PC screen only- %windir%\System32\DisplaySwitch.exe /internal Duplicate- %windir%\System32\DisplaySwitch.exe /clone Extend- %windir%\System32\DisplaySwitch.exe /extend Second screen only- %windir%\System32\DisplaySwitch.exe /external