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4 Posts

12-19-2013

United States of America

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Dual Monitors on t430

2013-12-19, 1:25 AM

I just received my new t430 and having issue with dual monitors. I am using the Intel HD 4000. I have it connected to a ThinkPad Port Replicator Series 3 (Type 4336). The docking station only support VGA connection. My new t430 only has a VGA connection on the side.

I have 2 monitors. One is connected to the VGA on the docking station. The other is connected to the VGA on the t430 itself.

 

While the machine is docked, Monitor #1 that is plugged into the docking station works, while Monitor #2 that is plugged into the t430 does not.

While undocked. Monitor #1 does work (obviously because undocked), but then Monitor #2 does work.

 

So I know both monitors are working and configured for VGA input. My questions is, why can't both work at the same time? While undocked, I can use laptop screen and Monitor #2 as a dual monitor. So I don't believe there is something wrong with the Operating System (Windows 7).

 

I used to be able to do this on my t420. With one monitor using VGA, and my other monitor using a DisplayPort. But looks like this model my company purchased doesn't support a DisplayPort (at least don't have the connection.)

 

Any help is greatly appreciated.

 

Thanks.

 

-Bill

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21115 Posts

12-20-2008

Australia, Melbourne

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Re: Dual Monitors on t430

2013-12-19, 3:37 AM
T430 uses miniDP and not a full size DP. If you need 2 external + 1 internal or or 3 external, you would need series 3 plus workstation dock. For your current setup only one of the 2 VGA will be active, you have to run the other monitor through miniDP on the laptop itself. You can get a miniDP to DP converter on eBay for 10 dollars.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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21115 Posts

12-20-2008

Australia, Melbourne

20622 Signins

444194 Page Views

  • Posts: 21115
  • Registered: ‎12-20-2008
  • Location: Australia, Melbourne
  • Views: 444194
  • Message 2 of 4

Re: Dual Monitors on t430

2013-12-19, 3:37 AM
T430 uses miniDP and not a full size DP. If you need 2 external + 1 internal or or 3 external, you would need series 3 plus workstation dock. For your current setup only one of the 2 VGA will be active, you have to run the other monitor through miniDP on the laptop itself. You can get a miniDP to DP converter on eBay for 10 dollars.
Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft

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4 Posts

12-19-2013

United States of America

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Re: Dual Monitors on t430

2013-12-19, 18:55 PM

Thanks for the reply. Didn't even realize that the t430 used a miniDP. Thought my company just cheaped out and went for VGA. Thanks for pointing that out to me.

So looks like now I need a DVI to miniDP (or miniDP to DP like you suggested). What even one I can find cheaper.

 

Thanks again for your help.

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4 Posts

12-19-2013

United States of America

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Re: Dual Monitors on t430

2014-01-14, 19:37 PM

I purchased the following adapter and now I am back to using dual monitors:

 

http://www.amazon.com/StarTech-MDP2DVI-DisplayPort-Adapter-Converter/dp/B00310K9VQ

 

Thanks again for the direction.

 

 

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