The real reason can not be explained now, but according to our experience, it maybe caused by big memory USB stick,internal circuit short, even the improper operation, sorry about this.
You need to contact the customer service to get a new mainbord.
There you will get a reply within 1-2 business days.
Or please tell us your order number or buyer ID, I can help you inform our customer service.
RegardsStatistics: Posted by Jammy — Wed Sep 07, 2016 2:55 am
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