sleep mac os x
When my macbook pro is set to sleep, and I subsequently wake it up, the two monitors connected through the visiontek dock turn off and I have to restart the computer to get things to work again.

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Alkesh commented
Having same issue and fix is either unplugging or restarting DisplayLink (sometime requiring Force Quit). Have M1 14" MacBook Pro. Using Dell dock.
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RyanC commented
Having same issue, should not have to restart anything! Should be an auto test to verify connection with history of connected monitors. If no reconnect from wake, app should be reconnecting automaticlly to monitors.
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Ales commented
I have the same problem, except that I can resolve it by restarting DisplayLink Manager software. However windows are all moved to main screen, which is a bummer.
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OlDirty commented
Same here. But you can also just unplug the dock and plug it in again. Same effect.