Re: T570 Isssue with External Monitors Displaying and Ultra Dock 170W in ThinkPad: T400 / T500 and newer T series Laptops https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T570-Isssue-with-External-Monitors-Displaying-and-Ultra-Dock-170W/m-p/3811940 ThinkPad: T400 / T500 and newer T series Laptops topics Tue, 19 Sep 2017 18:34:42 +0000 tp01_en <![CDATA[ Re: T570 Isssue with External Monitors Displaying and Ultra Dock 170W ]]> https://forums.lenovo.com/topic/findpost/1300/3811940/3812414 This is a bug in Windows 10 1703.  1607 and previous did not have this bug.  And it is fixed in 1709.  Below is information from Microsoft about their bug.

 

External monitors are not detected when a portable computer is placed in a dock while the compute ]]> Tue, 19 Sep 2017 18:34:42 +0000 https://forums.lenovo.com/topic/findpost/1300/3811940/3812414 someotherguy