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 13:30:38 +0000 tp01_en <![CDATA[ ]]> https://forums.lenovo.com/topic/findpost/1300/3811940/3811940 Checking to see if anyone has had this issue. We have 5 T570 20JW, running the most current verison of Windows 10Pro and since Yesterday (9/18/17), whenever a user undocks their laptop and then redocks it the external monitors do not turn back on and Windows does not recognize the 2 displays eith ]]> Tue, 19 Sep 2017 13:30:38 +0000 https://forums.lenovo.com/topic/findpost/1300/3811940/3811940 JosephOwens