Dynadock U Display problems on external monitor.

I have a U Dynadock docking station connected to a laptop of HP Elitebook. I have a 24 "FullHD Viewsonic external monitor connected to the DVI - D port on the Dynadock and a second monitor connected to the VGA port on the laptop. The second monitor works fine but the main monitor connected to the Dynadock is slow to update, I can't use AutoCAD or software playback such as display support will not regenerate properly, in other words each movement leaves a trace and screen ends up a mess, videos on the used media player are not working at all, however if I move the on the second monitor, they work fine.

The primary monitor is set to the resolution 1920 x 1080.

The second problem is whenever I restart to start the laptop the primary monitor is at a lower resolution I need to readjust every time. It didn't happen for the first days, I got the Dynadock, but now it happens every time. I downloaded the latest DisplayLink driver but did not help. I also tried to download the latest Dynadock driver but could not get the image of CD ROM to run.

> The second monitor works fine but the main monitor connected to the Dynadock is slow to update, I can't use AutoCAD or software support of reading such as the display refresh correctly, in other words, each movement leaves a trace and the screen ends up a mess, videos on the used media player work not at all However if I move the on the second monitor, they work fine.

The Dynadock is connected to the computer via a USB cable to the USB port.
In my opinion the USB ports are not designed to transfer this large amount of data that are created by a video.

You can use the Dynadock as part of some office applications, a software, but I doubt it would work properly I watch the video on the external monitor.

Tags: Toshiba

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