The charge indicator does not appear.
Make sure you have securely connected the tablet device with the USB cable for Multi Port, the USB cable for
Multi Port with the AC adapter, the AC adapter with an AC power cord (mains lead), and an AC power cord
(mains lead) with an AC outlet (wall socket).
* You do not need an AC power cord (mains lead) in some countries.
Your tablet device does not support charging the battery via USB connection from a computer or a
commercially available charger not designated by Sony. Charge the battery using the supplied AC adapter or
designated Sony AC adapter.