DPI Scaling in Windows 8.1 via command line

Posted by Vulcan on Super User See other posts from Super User or by Vulcan
Published on 2014-05-27T22:18:53Z Indexed on 2014/05/28 15:35 UTC
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Filed under:

Windows

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command-line

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windows-8.1

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DPI

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high-dpi

I'd like to create a keyboard shortcut to quickly and easily change the DPI scale on my machine.

In Windows 8.1, the desktop display DPI scale can be set via the control panel (pictured below), taking effect immediately. Alternatively, the scale can be set manually in the registry, but doing so requires that the user sign in and out or restart the machine in order to take effect (and only works to imitate the "one scaling level for all my displays" option).

How can I set the DPI scale via the command line, or otherwise programmatically?

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