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tmh15
What's DOS?
Posts: 1
Registered: ‎01-23-2019
Location: US
Views: 69
Message 1 of 1

Ultra Dock 3.0 USB w/ P40 Yoga - Display Issue

I have a P40 Yoga attached to an Ultra Dock 3.0 USB.  I have/had an HDMI cable coming off the dock to a ViewSonic monitor.  I am getting a maximum resoltion of 1920 x 1080 and colors are not displaying correctly or in some cases not displaying at all.  I found mention on the ThinkPad site that 4K is only supported via the DP off the dock.  So I tried a DP to HDMI cable and that does the same thing.  If I plug the monitor directly into the HDMI port on the laptop everything works great.

 

Why doesn't the dock work as advertised and expected?  Is there a different setup required?

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