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Cannot use Triple Display Configuration using two DVI digital ports for Microsoft Windows 7 and 8 – ThinkPad L430, T430s, T430si, T431s
Symptom

Some ThinkPad systems cannot use Triple Display Configuration when using two DVI digital ports.

  • First Display:  Active ThinkPad Display
  • Second and Third Displays:  Connected to DVI digital ports on ThinkPad Mini Dock Plus

NOTE: 
The Triple Display Configuration will work correctly when using two DisplayPorts.  The use of DP to DVI dongles is not a viable solution.The DisplayPortcables must be straight DP to DP connections.

 

Affected configuration

The above symptom is associated with, but not limited to, the following systems:

  • ThinkPad

Affected systems:

  • L430
  • T430s
  • T430si
  • T431s

System is configured with:

  • Mini Dock Plus

Operating Systems:

  • Microsoft Windows 7
  • Microsoft Windows 8

     

Solution

To enable three displays on these machines, the configuration should be one of the following below:

  1. DisplayPort + DisplayPort + LCD
  2. DisplayPort + DisplayPort + VGA
  3. DisplayPort + DisplayPort + DVI (one DisplayPort is connected to system mini-DisplayPort port)
  4. DisplayPort + DisplayPort + DisplayPort (one DisplayPort is connected to system mini-DisplayPort port)
  5. See the picture below to verify that Intel Control Panel applet detects 3 monitors and 2 of the monitors are listed as Digital Displays.  The use of DP to DVI dongles is not a supported alternative to using DP to DP cables.

 

Trademarks

Lenovo, and ThinkPad are trademarks of the Lenovo Corporation in the United States, other countries, or both.

Microsoft, and Windows are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.



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국가 상태
사용 가능Worldwide
가명 아이디 : SF12-T0040
문서 자료 ID : HT074304
Legacy Document ID : SF12-T0040
마지막 업데이트 :
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