It can be done with SetVCPFeature
You can find samples from Google, like Turn On / Off display monitor
How to via programming logic find and turn off a specific selected monitor(s) in a multiple monitor system configuration?
How to via programming logic find and turn off a specific selected monitors in a multiple monitor system configuration? Need method, via script Power Shell, or programming logic, .NET VB, C, C#, Rust, JavaScript, etc., solutions preferred. The goal is to leave one monitor on for video presentation but turn other off. Not just blanking or blacking the screen, but actually power off, or at least put into sleep or low power mode. Thanks in advance!
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Castorix31 85,131 Reputation points
2021-02-14T06:41:16.63+00:00 -
Jibun no Kage 21 Reputation points
2021-02-14T06:48:30.887+00:00 Thanks for the initial reply. But was asking for more detailed answer, at a deep technical level. This is not a simple problem to solve, and likely only someone that has actually already done it, can provide extensive information on how such can be done. If Google provided sufficient information, would not have posted to this forum. There has to be someone on this forum that has a deep understanding of how what I am asking can be done.