Only you can measure it physically! And BTW since the Tablet takes 12V and 2Amps there is your reason for it having difficulty with the USB which only gives 5V and, if you're lucky, maybe 0.5 A!
Thanks Jimbo for the info. Are you able to tell me, is it still possible to charge the device via usb. I realise this will take hours and hours. so far 3 hours connected to the pc and still wont switch on. My pc still recognises the device as well.
I guess i will just leave it connected and hopefully after another 5 hours might turn on. haha.
I have also ordered a charger i believe will work.