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- USB-C charging on Envy X360 Thunderbolt port

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05-24-2020 08:16 AM
There is another post from a couple of years ago asking a similar question but the answers are not relevant so hopefully here can get the help needed.
I have the Australian version of the Envy X360 model 15-CP0012AU. There is a USB-C port which has the Thunderbolt symbol but the official spec does not mention Thunderbolt, only that it is USB 3.1 Type-C Gen 2 and apparently with power delivery.
I tried connecting a Cygnett 20amp power bank with a standard type-A to type-C cable with the computer off and the orange charging light comes on but when I turn on the computer a message says it's not charging and suggests connecting the charging adaptor. At the time the internal battery had 88% charge.
Can this model be charged through the USB-C port with either a powerbank or from a wall charger?
Another oddity is the type-A port also has the Thunderbolt symbol and 'SS' marking but my understanding is that Thunderbolt only applies to type-C connection. What is the explanation for the Thunderbolt symbol on both ports?
All advice appreciated.
05-24-2020 09:13 AM
It's not a Thunderbolt icon. Looks like it but is really HP Sleep and Charge.
See p. 4:
Your usb-C port is not "Power Delivery" so will not charge the laptop, probably. If it could it generally will only accept a charge from a device with at least 35w of power. Some exceptions to that. For HP laptops if it can charge by USB-C that is the adapter HP ships with it and if, not you get a barrel type adapter.
05-24-2020 07:34 PM
Firstly thank you for the comprehensive reply.
There is still some confusion though because the official HP website states in specifications "USB 3.1 Type-C™ Gen 2 (Data Transfer up to 5 Gb/s, Power Delivery, DisplayPort™ 1.4, HP Sleep and Charge)" linked here https://support.hp.com/au-en/document/c06044226 .
Your thoughts again much appreciated.
Victor