[size=16]take the following :-
from my computer ------>network places ------> view -----> wirlless(icon) ----->right click (repair)
then
start ----> run -----> cmd -----> ping 127.0.0.1
(4) repplys must be appear
then run ----> cmd -----> ipconfig /renew
then
run -----> ipconfig /registerdns
good luck[/size]
AMA ( computer enginer )