Built-in screen blank after unplugging in clamshell mode
With the DisplayLink plugged in USB w/1 monitor attached and a 2nd monitor attached HDMI via thunderbolt, the built in screen remains completely blank and requires holding down the power button and rebooting to get the built-in display working. This happens when in clamshell mode and the DisplayLink device, power, and thunderbolt are disconnected, then shortly after the built-in screen is opened. This only happens when DisplayLink is plugged in. If there is only a thunderbolt monitor and it is in clamshell mode, it wakes correctly.
MacOS Version 10.13 Beta (17A306f)
Computer Make and Build Year MacBook Air 13-inch, Early 2015
Displaylink Driver Version 4.0.0.83693.0
Displaylink Device Targus 2K Universal Docking Station (DOCK120USZ)
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