Hello the device would not charge, after connecting a USB adapter, so I could get more port out of it, but once I connect it it said, " Unplug the accessory using too much power to re-enble USB device" after one night wouldn't charge and it didnt turn back on. Took it to to a repair they connected a charger and and measured the voltage the one towards the back didnt get any volts and the one closer to the keyboard got only low voltage, and they told me it was the logic board and they could replace it for $500, and my question is has anybody in this forum encountered with this problem and can verify that the logic board is bad? Or can it be something else? Well thanks in advance for any response and taking time on reading this. 😀