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July 24th, 2017 09:00
Dell 5510 and Multiple Displays
A coworker and I are having an issue with a Dell Precision 5510. This is a brand-new computer just ordered/imaged for a new hire. We tried to set up two UP2716D monitors for her first using One Display Port cable and One HDMI cable, one monitor works as expected but the other monitor is not getting the right resolution (it is stuck on 2048X1080 @ 29 HZ). I tried changing it over to a display port daisy chain but that didn’t fix it. I have updated all relevant drivers, using dell command update. Has anyone run into this or have any tips for us?
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benjamin.sefton
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July 24th, 2017 09:00
By the way all of the display connections are going through a thunderbolt dock we purchased new with the system.
DELL-Jesse L
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July 25th, 2017 08:00
benjamin.sefton,
What specific dock model?
* Remove the dock from the troubleshooting
* Test each UP2716D, one at a time, on the Precision 5510 HDMI out port. What resolution is achieved on each UP2716D?
UP2716D HDMI ports capability = 2560x1440 60Hz, 2048x1152 60Hz for computers or docks with a non-HDMI 1.4 port
benjamin.sefton
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July 25th, 2017 08:00
It is a WD 15.
DELL-Jesse L
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July 26th, 2017 09:00
benjamin.sefton,
Below are some links with information using and configuring the WD15.
Dell Dock WD15 (USB Type-C ) Information, capability and specifications
How to Use and Troubleshoot the Dell Dock WD15
WD 15 Dock BIOS / Drivers Installation Guide
Dell Dock (WD15) with 2 high resolution displays does not display the primary desktop screen when lid is closed