an ethernet port problem after a lightning

hey guys i'm abdulrahman from libya and i have aproblem with my atheros ar5182 pci fast ethernet controler, a lightning had hit my router at the time my dell inspiron n3010 was connected to, the computer had shutdown suddenly and my dsl router brokedown when i opened  the computer it kept showing me that the computer is connected to unidentified network while its not so , i went to my cousin's house and tried to connect throw his dsl and after atcp/ip reset and a driver reinstall it kept showing unidentified network and when i connect it nothing happen unless i disable and enable (reset) the ethernet driver when the cable is connected so i get an internet access.

yesterday i bought a wimax and tried to do the same but it didn't work .

pls if any body can help then help