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12 Posts

06-03-2009

Toronto

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ThinkPad X1 Carbon HDMI & Mini Display Port Screen Resolution maxes out at 1920 x 1080

2017-01-27, 15:58 PM

Hi folks,

I have a 20BT0018US model and it has a native HDMI port & a Mini Display Port

 

The Specifications for this Model state:

Your computer supports the following video resolution, if the external monitor also supports that resolution.

• Up to 1920 x 1200, with an external display connected to the VGA connector

• Up to 2560 x 1600, with an external display connected to the mini DisplayPort connector

• Up to 4096 x 2160, with an external display connected to the HDMI connector

 

I have attached two different HDMI cables to three different monitors.

Some were native HDMI, others had HDMI to DVI converters on them.

 

All scenarios result in a maximum screen resolution of 1920 x 1080

Althought the monitors support a greater screen resolution, I can't seem to get anything higher ??

 

Has anyone resolved this ?

Thanks

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12 Posts

06-03-2009

Toronto

10 Signins

92 Page Views

  • Posts: 12
  • Registered: ‎06-03-2009
  • Location: Toronto
  • Views: 92
  • Message 2 of 4

Re: ThinkPad X1 Carbon HDMI & Mini Display Port Screen Resolution maxes out at 1920 x 1080

2017-01-30, 18:56 PM

Interesting Test Case.

I borrowed a Mini DisplayPort Adapter- VGA and tested with the same monitor that the HDMI cable is plugged into.

 

I received a screen resolution of 2560 x 1600 right away !

I switch back to HDMI and it goes down to 1920 x 1200.

 

So I know the Video Card is capable of higher resolutions.

 

The issue must be with the native HDMI port.

 

Is anyone aware of a Formware Bug for this ? Or maybe Windows 10 driver issue ?

 

Thanks

 

 

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3705 Posts

12-22-2008

Canada

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Re: ThinkPad X1 Carbon HDMI & Mini Display Port Screen Resolution maxes out at 1920 x 1080

2017-01-30, 19:23 PM

The issue must be with the native HDMI port.

 

Or maybe the cable. Older spec HDMI cables may not be able to support resolutions above 1920x1200.


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12 Posts

06-03-2009

Toronto

10 Signins

92 Page Views

  • Posts: 12
  • Registered: ‎06-03-2009
  • Location: Toronto
  • Views: 92
  • Message 4 of 4

Re: ThinkPad X1 Carbon HDMI & Mini Display Port Screen Resolution maxes out at 1920 x 1080

2017-01-31, 15:15 PM

Hey there

Thanks for your reply.

I tried two different cables.

1) HDMI to DVI

2) HDMI to HDMI with a ATI HDMI to DVI converter.

 

Two different monitors, two different cables.

 

The only test I have not tried yet is to try HDMI to HDMI native to the monitor.

This is my next use-case.
:)

 

 

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