Can a laptop stay on 4K even when an HD monitor is plugged into the HDMI splitter?

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markfleener

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Nov 21, 2023
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Ultimately, I don't need to be able to use multiple screens at the same time, but I might as well be able to, cause I do want to be able to toggle what screen I am using without having to reset the display resolution or laptop (one screen is 4K 60Hz, the other two are HD), need the laptop to stay on 4K... I have an Alienware 15R4 laptop with Windows10 Home, which shows 4K 3840x2160 as a display option as long as I had shut down and booted up the laptop with the external 4K TV plugged into the HDMI splitter left on, yeah, that was fun, figuring that out, the next time I boot up the laptop, it comes up 4K 3840x2160, even if the external 4K TV is turned off (had no idea the computer could do that lol), but once I try to plug in an external HD monitor into the HDMI splitter (not even turning it on), it reverts the laptop down to HD, the 4K option completely disappears until I reset the laptop again, leaving the 4K screen turned on. I even tried one of them $70 splitters that supposedly lets one use multiple monitors of various resolutions, but it kept reverting down to HD. At this point, I think I need a new laptop, more so than a $300 HDMI splitter, cause those $300 splitter guys don't like my long HDMI cable runs (they don't seem to understand such things should be possible, even with 10 years experience).
 
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