After you install or update your asus device to windows 10, you may need to update your asus usb charger plus drivers.

ASUS USB Charger Plus is a tool to quickly charge your Apple mobile device.

With the exclusive ASUS USB Charger Plus, all of your motherboards, and desktops become universal chargers for your iPod, iPhone and now, the new iPad. USB Charger Plus turns any PC into a flexible power-up station for popular Apple devices through a simple USB connector, extending their usability and benefit in every lifestyle. The USB Charger Plus software is available for a variety of chipsets and motherboards from ASUS as well as all desktops.
To avoid quick charger no function due to compatibility issue after upgrade to Windows 10, please update ASUS USB Charger Plus to v4.1.6 or above.