ASUS - ZenTalk

I run Windows 10. Sometimes the USB ports remain powered when the laptop is off, so I can use them to charge other devices. But then sometimes they are not powered. If I search for guidance online, I find there is reference to Power Options>Advanced ...

Has anyone any experience of Asus Premium Care in the UK for the current "top of the range" Expertbook? It seems impossible to buy. It's not listed on the official Asus UK store, only Premium Care products for the lesser non-business laptops (?). Th...