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I've got Lenovo laptop which has a Fullscreen Magnifier function (zooms the screen). It's activated by pressing Fn + Space shortcut. Because I use the notebook on external display where I don't have a keyboard with Fn key, I would like to be able to start the application also by clicking on some desktop shortcut.

With SysInternals Procmon I've found an application which is run after pressing Fn+Space. The application is located at:

C:\Program Files\Lenovo\ZOOM\TpScrex.exe

But when I try to run it manually, it won't start (won't zoom the screen as by pressing the shortcut). Is there any way how to determine what is exactly launched (including switches) after pressing Fn+Space?

I've also tried to running:

C:\Program Files\Lenovo\ZOOM\TpScrex.exe /?
C:\Program Files\Lenovo\ZOOM\TpScrex.exe /help

But it seems there is no help attached.

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up vote 1 down vote accepted

Additional command line arguments may be required. Check if there are any. You can do that even with the built-in Task Manager by enabling the Command line column.

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I think you can use AutoHotKey for this and simulate the Fn key which may work for you.

It may not be easy to map the Fn key, but this post may help

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