XPS 9550, XPS 9350 and Precision Mobile Workstation 5510 display flickering when connected to TB15 with dual external monitors

XPS 9550, XPS 9350 and Precision Mobile Workstation 5510 display flickering when connected to TB15 with dual external monitors


LCD Flicker.

Dell XPS 9550, 9350 or Precision Mobile Workstation 5510 users may encounter flickering on systems with a Ultra-High Definition (UHD) 4k display when connected to a Thunderbolt dock (TB15) Type-C docking station with dual external monitors.

dell_thunderbolt_dock

The flickering may be random and may continue after disconnecting from the TB15 dock until the system is restarted.

NOTE: The flicker is only seen on the system internal display, the externally connected displays are not affected.



SOLUTION

Dell Engineering and the graphics team have released an updated Intel video driver to resolve this issue. Please update to the Intel Graphics Driver 20.19.15.4390 or newer to resolve this problem.

You can download the latest graphics driver for your system from the Dell support website, Select your system model or enter your Service Tag, go to Drivers & Downloads, Video, then select the latest Intel HD Graphics driver.



Article ID: SLN301538

Last Date Modified: 08/18/2017 07:32 AM


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