Everytime I turn the wireless off on my Kindle Fire HD, I have to reboot the hotspot to get connectivity again on the Kindle. But none of my other computers have the same issue. My wife will have connectivity on her computer at the same time my Kindle is "Obtaining IP address...", but it never does until I reboot the hotspot. Any suggestions to eliminating having to reboot the hotspot when I want to use my Kindle for internet activities?