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khec Student
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HP Recommended

No monitor image using docking station and Display Port

EliteBook 840 GS



My laptop (EliteBook 840 GS) which is connected to HP Ultraslim Docking Station, cannot display the image on external monitor connected to docking station's Display Port.

I am using Debian 9.9, and  "Displays" window (Desktop -> RightClick -> Display settings) does show 2 display thumbnails. When I plug the same monitor directly to laptop's HDMI port, the picture is correctly displayed.

Can someone help, please?

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