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Dell Ultrasharp 24inch Monitor U2417H

Posted on 2017-11-03
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Last Modified: 2017-11-28
Hi All,

I have the above two monitors which by all account you can daisy chain? I have a dell dock which has a mini display port going from it to the monitor with the standard display port attached to it I then have a display port cable going from one monitor to  the next from the display in to the display port out on the other monitor however I keep getting duplicate screens on either. I'm using windows 7 O.S & a dell laptop latitude. I've tried the onboard configs on both monitors such as mst/input of & on with no success can anyone help?
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Question by:MarK PercY
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by:masnrock
ID: 42353549
What resolutions are you using?
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Accepted Solution

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Tom Cieslik earned 1500 total points (awarded by participants)
ID: 42353559
With only one port on computer or docking station all you can get is duplicate screen.
If you want to use extended screen feature you must connect second monitor separately to second port on computer or docking station.
There is no way that on single DP cable you'll get 2 separate streaming for 2 separate monitors.
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Author Comment

by:MarK PercY
ID: 42353568
Hi Tom

Thank you for your response i have two monitors with two display port connectors connecting them both from each monitor.
However i'm still getting duplicate screens.

Thank you
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LVL 23

Expert Comment

by:Ramin
ID: 42353573
Is it a Windows 7 Pro ?
1
 
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Expert Comment

by:masnrock
ID: 42353574
1) Does your graphics card support dual display? (I bet this is yes)
2) Have you tried connecting directly to your laptop and seeing what happens?
3) I assume your laptop supports DisplayPort 1.2?
4) What resolution is on the first monitor?
5) Did you check to see if all of the needed drivers work on Windows 7?
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Author Comment

by:MarK PercY
ID: 42353580
Hi rock

1)Yes its a intel HD graphics 520
2)Yes i already have a display port end into the 1st monitor & a mini display port going into the dock.& yes that works
3)Ye sit does
4)1920 x 1080
5)Yes i did

Thank you by the way
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Author Comment

by:MarK PercY
ID: 42353582
Hi Ramin its windows 7 enterprise
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Expert Comment

by:Ramin
ID: 42353589
Make sure to Enable "MST" and DP 1.2 in Both monitor settings.
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Expert Comment

by:masnrock
ID: 42353590
I would contact Dell. There is a shot that they did not implement something correctly as far as the dock goes.

If the dock also has a full sized DP port, I would try that instead of the mini.
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Author Comment

by:MarK PercY
ID: 42353599
Hi Rock,

The dock hasn't got a full display port.

Thank you
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Assisted Solution

by:Ramin
Ramin earned 1500 total points (awarded by participants)
ID: 42353604
it looks like something like this:

1.png
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Expert Comment

by:Ramin
ID: 42361817
With this configuration it must work.

From Dell dock Mini-DisplayPort out --> mDP to DP cable --> to #1 monitor DP in (MST/DisplayPort 1.2 Enabled)

from #1 monitor DP out --> DP to DP cable --> #2 monitor DP in (MST/DisplayPort 1.2 Disabled)
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Expert Comment

by:Tom Cieslik
ID: 42384125
As I said, If computer has only one DP then it's not possible to get Extended desktop on both monitors. User have connected One monitor to computer then second monitor to first monitor as a chain. This configuration can give him only duplicated screen. No more other questions from author.
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