What I am seeing is just the screen flashing. Ethernet stays connected.
I have noticed some patterns, maybe they are correct, maybe not.
I have a setup on my desktop where I have one big 24inch monitor that I share using an ATEN KVM switch between my laptop+Dock and my Desktop-PC. Whenever I switch from Laptop+Dock to KVM and return to the Laptop+Dock after a while, the screen flashing is much more severe.
The ATEN KVM switch connects/disconnects the USB+MOUSE+Monitor from the Laptop+Dock, because I can hear the "USB Connection" beeps that Windows makes, whenever I switch.
Hope this helps
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