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ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

2018-01-29, 8:49 AM

Hi!

I just got a new "X1 Carbon 5th Gen - Kabylake (Type 20HR, 20HQ)" and a "X1 Carbon Thunderbolt 3 Dock". 
I have an external screen connected to the dock and it works fine (VGA connection). 
I also have an other monitor with display (DP) connection that I want to use. 

But my computer can't find the other monitor, only the one with VGA connection. 

Is there any easy ways to fix this problem?

Best regards

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12-02-2007

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Re: ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

2018-01-29, 9:44 AM

[Posted moved and topic edited for discoverability.  AG]



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34 Posts

10-29-2017

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Re: ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

2018-01-30, 0:40 AM

I assume you have independently tried the DP monitor by itself?   I'm running 2 DP connections on my x1c5 and it works fine originally in 2 DP connections and now in in 1 DP connection + daisy chain from the first monitor.

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Re: ThinkPad X1 Carbon 5th gen can't connect 2 external monitors in X1 Carbon Thunderbolt 3 Dock

2018-01-30, 6:41 AM

Yes, i tried it in an other computer and works fine. It also works fine if I dont use the Thunderbolt 3 Dock, and just connect it straight to the PC. But when both monitors are connected to the dock, only one works. The computer can't even "find" the other screen. 

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