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Old 08-13-2020, 03:15 AM   #1
hubner
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Red face Should we install "DisplayLink Manager App" and "DisplayLink USB Graphics Software"?

I'm a bit confused. With Catalina and Big Sur (and beyond) should I install only the "DisplayLink Manager App" and forget about the "DisplayLink USB Graphics Software for macOS" (assuming this is the so called "legacy" driver), or should I install both?

Instructions are somehow confusing, and the download page https://www.displaylink.com/downloads/macos doesn't clearly state what is the preferred/recommended action. I currently have both installed. No alerts/messages whatsoever. But I've noticed that my CPU is hurting a lot, and some things like screenshoting with Snagit [1] can bring the machine down to its knees...

I'm concerned about performance issues. I'm using a MacBook Pro (Early 2015, i7 and 16G of RAM) with two additional 28" 4K (60Hz) external monitors connected via DisplayPort from a QGeeM docking station [2] that uses the DL-6950 Chipset. The external monitors resolution are set to a scaled 1920x1080 (high-res/retina) because I can't find the 1080p option on the list (even clicking on "scaled" while holding the alt/option key) - see [3].

Any advice will be much appreciated!

Thank you!

[1] https://www.techsmith.com/screen-capture.html
[2] https://www.amazon.com/QGeeM-Docking.../dp/B0823BQ4PK
[3] https://support.displaylink.com/know...0x1080-resolut
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Old 08-13-2020, 09:52 AM   #2
KatarzynaKowalczyk
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Hello,

You cannot have both classic driver and App installed. You should only have one.
Instructions on the installation order are under the following link: https://support.displaylink.com/know...ntroduction-in
Having both installed can cause conflicts in the background.

For now please uninstall the classic driver and leave the App only.

Best regards,
Katarzyna
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Old 08-13-2020, 12:12 PM   #3
hubner
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Thank you! I've uninstalled and installed Manager only and everything went smooth. Tip: I've realized that if you have the login screen extensions installed as well, the Manager will not alert/disclaimer the presence of the legacy driver.
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