Re: T540p/T440p+UltraDock+external display issues in ThinkPad: T400 / T500 and newer T series Laptops https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T540p-T440p-UltraDock-external-display-issues/m-p/1368847 ThinkPad: T400 / T500 and newer T series Laptops topics Mon, 06 Jan 2014 09:14:25 +0000 tp01_en <![CDATA[ Re: T540p/T440p+UltraDock+external display issues ]]> https://forums.lenovo.com/topic/findpost/1300/1368847/1382335 I would point to the ultra dock, have an x240 with ultra dock 90w and have the same issue with the monitor on DVI/Displayport, VGA works fine.

 

Power supply: 90w 2013.06 rev C

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Mon, 06 Jan 2014 09:14:25 +0000 https://forums.lenovo.com/topic/findpost/1300/1368847/1382335 alan_d