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Old 11-18-2021, 04:43 PM   #1
Tibi
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Default HiDPI resolutions on M1 Mac - dual screen setup

Hi,

I've been searching the forum and I'm a little confused.

Just switched from Windows to Mac ... I'm running a MacBook Pro M1 with 2 x Dell U2720Q monitors via Dell D6000 with Display Link.
When I want to select the resolution, I have:
3840 x 2160
3008 x 1692 (low resolution)
2560 x 1440 (low resolution)
1920 x 1080
1920 x 1080 (low resolution)

Problem is that the 1920 x 1080 everything is to big and I would like to use the 2560 x 1440 but text is super blurry and 90% of the time I'm using emails and docs so blurry text is not working for me.

Any idea how I could make the 2560 x 1440 (low resolution) to HiDPI one ?
I've tried versions:
1.3, 1.4 and 1.5 ... nothing brings the HiDPI option

Is this a bug in the software or I'm missing something ?
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Old 11-18-2021, 06:12 PM   #2
JanB
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Posts: 36
Thumbs up HiDPI Workaround

Look at this Thread:

https://www.displaylink.org/forum/sh...ad.php?t=67982

There is a well running workaround to geht HiDPI with DisplayLink.

The BetterDummy software which is used is under active development, so simply use the latest release. The latest stable release is working fine for me.

Last edited by JanB; 11-18-2021 at 06:16 PM.
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Old 11-18-2021, 07:50 PM   #3
Tibi
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Default

Quote:
Originally Posted by JanB View Post
Look at this Thread:

https://www.displaylink.org/forum/sh...ad.php?t=67982

There is a well running workaround to geht HiDPI with DisplayLink.

The BetterDummy software which is used is under active development, so simply use the latest release. The latest stable release is working fine for me.
So you use 2 external monitors, both via display link, with betterdummy ?
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Old 11-18-2021, 08:23 PM   #4
JanB
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Quote:
Originally Posted by Tibi View Post
So you use 2 external monitors, both via display link, with betterdummy ?
No, for Performace and better handling I use one of my monitors directly connected via a USC-C to DisplayPort Adapter. The second external monitor is connected via DisplayLink.

But I do not see any limitation in BetterDummy to only one display.

The general procedere is, that you create a "dummy display" with this software and mirror that to a physical display. It is possible to create multipe "dummy displays" and mirror them also to "special" displays as sidecar or DisplayLink.
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Old 11-18-2021, 10:06 PM   #5
Tibi
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So you are totally RIGHT !!!

For the last 3 weeks I am using dual 27inch 4k at 1080 resolution and it was horrible ... now, I created 2 dummy displays and set resolution to 2560 x 1440 and the text is super sharp.

After creating the dummy's I set for my physical dual screen's to mirror the dummies and problem solved. !!!

Even the cursor moves much smoother !!!

Thank you !!
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Old 11-21-2021, 07:52 PM   #6
tommiy
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Are you saying your not using DisplayLink at all?
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