usb does not charge

[Zen_master_fon]

I have a usb-c-dock connected to my pc during the day. But the zenfone 9 does not charge, it even looses battery!
I know, the pc usb-port provides just about 500ma, but it was enough for all my previous phones.
Is your phone charging on over default usb?

[ASUS_Bot]

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