@Cliffgreen If you remove power from the WD15 and then reconnect power while a system is attached to the WD15, then the WD15 will not immediately start working with the system. This relates to how USB Power Delivery negotiations have to work. The dock needs to have power before a system is connected to it. But if the WD15 loses power, then you should be able to get things working again by simply disconnecting and reconnecting the system, not having to shut down and mess with HDMI cables. But why are you removing power from the WD15 in the first place? Docks are designed to remain permanently connected to power. If you're trying to avoid keeping your laptop battery topped up all the time, then go into the BIOS and set maximum and possibly minimum charge levels. That is a much more effective and much simpler way to control that.
jphughan
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July 18th, 2020 07:00
@Cliffgreen If you remove power from the WD15 and then reconnect power while a system is attached to the WD15, then the WD15 will not immediately start working with the system. This relates to how USB Power Delivery negotiations have to work. The dock needs to have power before a system is connected to it. But if the WD15 loses power, then you should be able to get things working again by simply disconnecting and reconnecting the system, not having to shut down and mess with HDMI cables. But why are you removing power from the WD15 in the first place? Docks are designed to remain permanently connected to power. If you're trying to avoid keeping your laptop battery topped up all the time, then go into the BIOS and set maximum and possibly minimum charge levels. That is a much more effective and much simpler way to control that.