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    Intel HD Graphics 520 - screen goes black when undocked


      We have a number of Dell E5470s which have Intel HD Graphics 520 chips. Since upgrading the computers to Windows 10 version 1703, when the computers are undocked (E Port replicator), 99% of the time the built-in display will go entirely black or, black with the mouse pointer flashing. The computer will remain in that state until the computer is re-docked. Once re-docked the computer display will work as expected. I have tried a number of video drivers including the latest that I found...


      I would appreciate suggestions you might have to help resolve this issue.





      Message was edited by: Randy Hoffman

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