1 Go to Start. In the search box, type in "cmd". If your Start menu has the Run command, click Run and type "cmd" in the field.
2 Type"ipconfig" using the cursor.
3
Hit Enter. On your screen, you will see a series of names and numbers.
Look for the line that says Default Gateway. Write down the number that
you see next to Default Gateway
4 Navigate to Google or another search engine. In the address bar, type in the number that you just wrote down.
5
Hit Enter. You will see another screen that has fields to enter your
username and password. The username is "admin", and the password is
either "admin" or "1234". Enter that information into the appropriate
fields. Click the "Log In" button.
6 Go to the Wireless tab on
the website that pops up. If you scroll down, you should find something
called password. Write down your password and put it in a safe place in
case you forget it again.