We just upgraded from a MiFi 2200 to the Samsung 4G LTE HotSpot today. All went well on my laptop and new desktop, but not good on my Dell Inspiron 530 Desktop with Vista Home Premium. I was using a NetGear WNDA3100 adaptor that says it supports both N and G channels. At this time, the adaptor will recognize the network, but once I entered the password from the back of the 4G LTE, my computer connects with limited connectivity (no internet access) and no IP address displays either. The adaptor worked OK with the MiFi 2200. Do I need to change USB adaptor? Is there something I can do to the current adaptor (registered with WPA-PSK security)? This desktop is not ready to be retired and not as versatile without internet access.Thanks for any suggestions.