XPS 17 9710, not using main power when dock connected

Question

Hi everyone,

The discussion here suggests seamless functionality of the main power adapter when a dock is connected:

https://www.dell.com/community/XPS/Simultaneous-Power-Supply-and-Dock-Connection/m-p/7997702#M87549

However, nearly half the time my system will stop charging at 130w once the dock is connected. Sometimes unplugging/replugging is enough, but often it doesn't help. Is there somewhere to see and/or manually adjust which power source the computer is using?

Dell XPS 9710 with 130w adapter

HP Elite USB-C Dock with 65w PD

Thanks

DELL-Chris M · Answer

Explain this ='However, nearly half the time my system will stop charging at 130w once the dock is connected.' Are you saying, 'nearly half the time my XPS 17 9710 will stop charging USING the provided 130w power adapter once the HP Elite USB-C Dock and its power adapter is connected.' ?If yes, how do you know where the power is originating, the XPS 17 9710 power adapter or the HP Elite USB-C Dock power adapter?

AdrianG001 · Answer

Unplug and remove base cover. Disconnect the battery. Hold the power button for 30 sec.

Verify that the LED on the AC adapter is on before you plug in the notebook end. If it's not, replace the adapter.

If the adapter checks out (LED on), plug in the notebook (no battery). If it'll power up, but won't with the battery connected, the battery is bad.

If it still won't power up on AC only, the mainboard is bad.

XPS

XPS 17 9710, not using main power when dock connected

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