CANNOT CONNECT TO WI-FI

First turn on the wifi in laptop then make sure your wifi network adapter tcp ip property that it get ip from router.
Aslo make sure router settings are perfect.
Connect your router to computer with ethernet cable then you can access it with following default link.
http://192.168.0.1
or
http://192.168.1.1
If you are not able to access it with above ip then check your computers ip address gateway ip is your router ip try with it.
Then it ask for user name and password.
Type user as "admin" and password as "admin" or "password" or blank.
Then you can see configuration page of router.
Click on WAN settings and set those settings as your internet service provider settings.
Enable DHCP if you want to get ip from router.
Click on wireless settings enable wireless then enable WEP Security then add WEP code .It is your password to connect wi fi.Then save settings and restart router.
Then you can connect your wi fi network with that code.

Let me know if you need further assistance.
Thanks for using FixYa.