If you don,t do your work then follow this below rule......
For windows XP
* start menu te click koren
* my connection a click koren
* local area connection or modem connection or wimax connection a jan
tarpor nicher 1,2,3,4,5 no poddhoti gula onushoron koren.........
For windows 7
*start menu te jan
*then control pannel a jan
*network and internet a click koren
*view network status and task a click koren
*change adepter setting a click koren
1) local aria connection er properties a jan
2) internet protocol 4(TCP?IP) a click koren then properties a jan
3) niche use the following dns server a click koren
4) tarpo preffered dns server a 4.2.2.2 den and aulternatiove dns server a 8.8.8.8 den
5) ok den. tarpor modem disconnect kore abar connect koren kaj hoye
jabe........