Slow refresh rate using a D3100 connect two monitors U2311H

Hello

I have a macbook pro 2016 and bought the Dell D3100 triple display USB adapter to use with it. The two monitors are connected to DVI using adapters connected to the displayport and hdmi ports. I installed the latest drivers from displaylink for El Capitan on the computer and plugged the dock on USB 3.0. The two monitors work. However, they all seem to have some considerable delay. Testufo indicates that they are both running at 60 Hz (as well as the display settings), but movement seems choppy and fuzzy, akin to 30 hz, but maybe a little better.

I read that it would be able to run monitors 1080 at 60 Hz with little trouble. Is there something I am doing wrong?

Thank you

We didn't test the D3100 on Apple hardware or software is a big unknown.


The slow refresh rate tells us that they're not really running at 60 Hz.

The U2311H has the following ports video =.
DP 1920 x 1080 60 Hz
DVI 1920 x 1080 60 Hz
VGA 1920 x 1080 60 Hz

The D3100's video next ports =.
Display Port 1.1 = 3840 x 2160 30 Hz, 1920 x 1080 60 Hz
HDMI 1.4 = 2560 x 1440-50 Hz

So the U2311H using DP 1. 1 a/DVI should be 60 Hz. The other at 50 Hz. But how the Apple operating system is to see these is unknown. You must post on the Apple Forum of Discussions and see if they can offer an overview or troubleshooting steps.

Tags: Dell Peripherals

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