Sames issues with Lenovo Thinkpad USB 3.0 Ultra Dock
I am having the same issues with my Thinkpad USB 3.0 Ultra Dock connected to my mid 2012 Macbook Pro Retina. I have two external DELL Monitors connected to the Ultra Dock. Some windows get completely scrambled. Particularly Parallels & Firefox but also any kind of progress bars. All windows are fine on the built-in laptop screen.
This please needs to be addressed ASAP as this renders the machine almost useless.
I have attached screenshots from my Parallels window both from an external monitor and moved over to the built in monitor. The scrambling also happens in full screen mode on the external monitors.
I have installed the latest version (3rd Feb. 2017).
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