Hi there. My less than 2 weeks old Window N90 has developed a problem. Yesterday I got the warning up to say the battery ws getting low and needs charging so I turned the tablet off and put it on charge, I checked just before I went to sleep and It said the battery was charging and was at 50% This morning I have come to check the tablet and it is dead. I cannot turn the tablet on at all?? can you suggest anything please as I am not very impressed!!!!