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James-Wiggins
What's DOS?
Posts: 1
Registered: ‎06-20-2018
Location: US
Views: 485
Message 1 of 2

Re: Using both the mini-Displayport and HDMI at the same time?

Wondering if anyone else has/had this problem?  I have a Lenovo Twist Ultrabook.  I believe it is also listed as a Thinkpad S230.  It has both a displayport and an HDMI port.  I have the displayport connected to a monitor using a DP-HDMI cable, and the HDMI port connected to an older monitor using an HDMI-DVI cable.  Either one will work on its own, but when both are connected both screens immediately go black.

 

I also tried using an HDMI splitter cable on the HDMI port.  It works, but the display will only show mirror mode - not extended mode.

 

When I look in the BIOS for display settings, it gives me 3 options: the local screen, and then to select either of the ports (but not both!) when docked.

 

Anyone have any ideas?

 

any feedback or suggestions greatly appreciated!

 

acubens
What's DOS?
Posts: 1
Registered: ‎03-16-2019
Location: US
Views: 248
Message 2 of 2

Re: Using both the mini-Displayport and HDMI at the same time?

any answers yet?

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