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June 5th, 2018 10:00
U2410, how to disable DP1.2?
I can't find how to disable the DP1.2 on this monitor. Tried the methods of holding the check button and there is nothing on display settings either.
I have a UP2716D and I want to make a daisy chain with both.
UP2716D with 1.2 enabled and MST enabled -> DP1.2 cable plugged in DP output.
-> DP1.2 cable plugged in DP input of the U2410 and no image.
No Events found!


DELL-Chris M
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June 5th, 2018 12:00
We never tested the UP2716D to an eight year old U2410. The U2410 does not have a DP out port. So no settings to disable DP 1.2 on it. Plus, the U2410 can only do 1920x1200 60Hz, so DP 1.1a or DP 1.2 are moot. In theory,
Windows PC DP out port --> UP2716D DP to mDP cable --> UP2716D mDP in port (MST On)
UP2716D DP out port --> U2410 DP to DP cable --> U2410 DP in port
Then setup Windows to activate the extended U2410.
For my notes, send me via Private Message the UP2716D service tag number.
LeandroLa
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June 5th, 2018 14:00
Yes, this is my setup, like you said:
Windows PC DP out port --> UP2716D DP to mDP cable --> UP2716D mDP in port (MST On) UP2716D DP out port --> U2410 DP to DP cable --> U2410 DP in port
But no image on U2410, thats why Im trying to disable DP1.2, I saw somewhere in this community that 1.2 input is not compatible with daisy chain in this old models.
Maybe I have to try another cable...
When you said: "Setup windows to activate the extended U2410" you suppose that my PC can see the second monitor, and the pc don't even recognize it.
DELL-Chris M
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June 6th, 2018 06:00
Unknown. If available in Windows, you would see something like this.
LeandroLa
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June 6th, 2018 08:00
Hum, sorry, I forgot to say, I'm trying this on a Mac. In windows it works fine.
Maybe a software limitation?
DELL-Chris M
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June 6th, 2018 10:00
Unknown by Dell. You should ask Apple users here.