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Old 04-29-2022, 09:39 AM   #25
Josasp
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Join Date: Jan 2015
Posts: 4
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Quote:
Originally Posted by thysm00 View Post
I tried it and it does not work for me... it really looks like i'll have to just send it back... that's too bad, i really thought this could fix my dual display issue, and i can't believe this is not advertised...
BetterDummy works, but you have to fiddle with it a bit.

You create a dummy 4K display, set the resolution on that one to 2560x1440 HiDPI.
Then set your real display to 3840x2160.
Then you set the dummy to mirror onto you real display, then it works.

Last you attach that virtual display to you real display in BetterDummy, and it should survive reboots etc.

It's not perfect, you get few ms delay with mirroring, and also the display gets ever so slightly softer. But you do get HiDPI 2560x1440 on your monitor. It also consumes CPU, It's the only solution at the moment.

The only thing that works "better" than dummy is if you have a MacBook and use the internal display instead of a dummy and use RDM to create 2560x1440 HiDPI custom resolution for the internal display, keep the lid open then mirror that onto the real display.

For some reason the performance on using the internal display is better than dummy.

I have Samsung montiors and MacBook so I've set it up to mirror with lid open, works fine. And low-res 2560x1440 with lid closed, then use Samsung Magic Upscale Mode 2 on the monitor, not HiDPI but looks way better than just normal low res.

So when I want full performance, I just close the lid.

The email notification thing on new DisplayLink drivers doesn't work, I've set up Distill Web Monitor in Chrome on that page, so I get a notification when there's a new driver.
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