You will need to do a pinhole reset of the router while it is powered up, look on the back next to the power socket and use a pen and count slowly to 15.
Now connect the laptop to the router with an ethernet cable in one of the numbered ports on the back then follow the instructions below.
- Type into the address bar the following address 192.168.0.1 into the URL address box.
- Enter the Username "admin" and leave the password field blank when the login prompt appears.
- Now click this link to see what the internal pages look like. http://support.dlink.com/emulators/di524/h_wizard.html
- On the left had side click the Wireless button and you will see Security under SSID so click in WPA-PSK and the page will change.
- Now in the SSID you can put in a name for your router and a password can be entered twice in the Passphrase boxes, click apply and close the webpage.
- Now disconnect the ethernet cable and look for your newly named network, when you find it click connect and you will be prompted for the passphrase, enter it click connect and when it says connected open Internet Explore and happy browsing.