I've had my 7024 for 5 days and its been working just fine. I've already charged it 2-3 times in the last couple of days and this morning i plug it in and it won't charge. Its currently at 34% and i have it shut off. I can still connect via USB. And i've tried plugging the wall charger into different outlets and it still won't charge. Is there anything else that i can try before i consider it defective and return it?