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ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-01-31, 16:59 PM

Hi all,

I have a ThinkPad T470 and a Pro Dock 90W and I'm trying to use 2 different monitor in the same time using Display Port + DVI-D but I can use only 1 at a time (it works only using VGA + Display Port). Is there some way to solve this problem? Any firmware update?

 

many thanks

 

Cheers

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-02-05, 13:13 PM

HI, I have found the following description in the official link https://support.lenovo.com/it/en/solutions/pd027981:

 

 1x DisplayPort 1.2 (For exclusive use with DVI-D), 1x DVI-D (For exclusive use with DisplayPort), 1x VGA port

 

But is not clear for me that this confirm or no that I can't use with PRO-Dock DisplayPort and DVI in the same type.

 

Please yes or no is enought :-)

 

Mario

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04-25-2008

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-02-05, 14:51 PM

Hi marioguarino, and welcome to the Lenovo User Community!

 

The setup poster on the page you linked to shows that if you want to use two monitors on the dock, one of them must be VGA. So the answer would be no, it is not possible to use the dock DVI-D and DisplayPort simultaneously on the Pro Dock.

 

 

Your need the Ultra Dock to use DVI-D and DisplayPort simultaneously.

I don't work for Lenovo. I'm a crazy volunteer!

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-02-09, 9:53 AM

Hi bananaman,

thank you very much for your clarification, I'm sad about this because I have to buy a new dock.

 

cheers

 

Mario

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09-04-2018

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-09-04, 9:59 AM

Hi marioguarino,

 

it is possible to use USB3 to HDMI converter, then it is possible to connect one monitor usinf Displayport or DVI and second one using HDMI.

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-09-04, 10:32 AM

Great idea!

I have to try!

 

;-)

 

Mario

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2018-09-04, 10:40 AM

:-( Unluckily I have checked but for a resolution greater than 1080 I have to spend a lot of money (at least 50€) ... so this is not a simple try ... many thanks for the suggestion in any case.

 

cheers

 

Mario

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2019-12-18, 22:07 PM

 Hi marioguarino

 

I have the same docking station you have and It's woking I don't have  any idea why  lenovo support said not working at the same time. 

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2019-12-19, 7:51 AM

Hi, many thanks but I asked the question because for me it is not working hdmi and display port together, but it is ok if I use vga and display port for example.

Luckily now I'm using a more recent monitor and also vga has a very good quality, so it is ok for me now.

 

cheers

 

Mario

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Re: ThinkPad T470 + Pro Dock 90W problem using DVI + DisplayPort

2019-12-19, 16:35 PM

 wrote:

 Hi marioguarino

 

I have the same docking station you have and It's woking I don't have  any idea why  lenovo support said not working at the same time. 


the left cable is a VGA (analog) cable. So you are not using two DIGITAL display signals (DVI-D and DP)!  Pro Dock's digital ports are exclusive. You can use only one of these two digital ports. The other display needs to be connected with a VGA cable. This is also the case in your setup.

Lenovo support did not claim, that the Pro Dock would  not support two displays. 

 

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