hi ! I bought USB-Ethernet adpater http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=230452632638&ssPageName=STRK:MEWNX:IT i connect it to MBA but nothing changes. Somebody know , is i need to install some drivers, or i need to make some settings to make it work ? Can you help me with step by step guide. Thanks in advance.