I am new to raspberry pi. I have raspberry pi 2 b with 1 gb ram. I want to use usb wifi adpter to connect intrnet, but when i connect the wifi adpter to raspberry pi, it reboots. the wifi adpter i am using is LB link , model number BL-WN151 http://www.lb-link.cn/index.php/products/view?pid=118 pleas...