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rpslee
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Posts: 10
Registered: ‎06-23-2017
Location: US
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Message 1 of 2

T450S and Lenovo Ultra Dock 90W 40A2 - Problems with output of 2 displays

Hi guys,

 

I'm hoping someone here can help me with my ever annoying problem.

 

I have a T450s running on Windows 10 64-Bit. Latest Intel Drivers.

 

I have an 40A2 Lenovo Ultra Dock. The following configuration is coming out of the dock into the monitors.

 

Channel 1 - DisplayPort (dock) to Mini-DVI (monitor 1)

Channel 2 - using DVI (dock) to DisplayPort (monitor 2)

 

Channel 2 is not outputting any video signal at all. Intel's software is not recognising another monitor at all. Their DisplayPort Topology is showing 1 DisplayPort (this could be because the other is not connected).

 

I've tried both display ports and they both work on either channels. I will be bringing in a DisplayPort to DisplayPort cable shortly to try, but shouldn't my DVI to DisplayPort.

 

Something is amiss and it's driving me nuts.

 

Thanks,

Ron

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Posts: 9,237
Registered: ‎10-28-2014
Location: DE
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Message 2 of 2

Betreff: T450S and Lenovo Ultra Dock 90W 40A2 - Problems with output of 2 displays

Hi Ron,

 

the first thing is, that the conversion from DVI to DisplayPort don't work. Only DisplayPort to DVI is possible.

Another point is, that you have to use the Ports for the two monitors like shown in the following guide:

https://download.lenovo.com/pccbbs/options/tp_ultra_dock_sp40a02135.pdf

 

Hope this helps.

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