DP display not working with docking station PR02x

Question

I am trying to connect an external monitor using the Display Port which is present on my docking station PR02x.

The computer detects the display and I get the options to extend/mirror/only display 1/only display 2... But there is no display on the external monitor when I select any of these options. So the display is getting detected, but it is not showing on the monitor.

Any help?

BTW, my laptop model is Latitude E5470.

jphughan · Answer

Just to rule out obvious possibilities, have you set your display to the correct input? If you’re using Extend mode, are you sure the display isn’t just showing a black background? You can test that by moving your cursor over there or using Mirror mode at least temporarily. Do you have another DisplayPort cable you can try in case that one is reliable enough to allow carry the display’s EDID information to the system for detection but not reliable enough to maintain a video signal?

polypore · Answer

having the same issue, did anyone figure out the reason?

Latitude

DP display not working with docking station PR02x

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