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Latitude 7400 Won't Display via WD19 Dock
I have a brand new Latitude 7400 2 in 1 and a WD19 dock. I have 2 Dell P2414H monitors hooked into the dock via DisplayPort cables, but they won't display. They just immediately go into power save mode. I've tried updating drivers/bios, but, even though I'm now at the latest on the latitude, the issue remains.
There's 2 USB-C ports on the latitude. I believe both can do DisplayPort over USB-C, but, I've tried switching between them, and it didn't matter.
Has anyone come across this? Thanks in advance.
jphughan
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October 11th, 2019 12:00
Just to rule out a simple possible cause, have you used the displays' on-screen menu to set them to the DisplayPort input? I know that sounds trivial, but I ask because that was the problem with someone else I helped a while ago. Otherwise, I use a Latitude 7400 non-2-in-1 with a WD19 just fine, and it should definitely work. If you happen to have a USB-C to DisplayPort cable, try connecting one of the displays directly to the system to cut the dock out of the equation just as a test. Otherwise, are other dock functions working, such as providing power to your system and the dock's USB ports?