D-Link DSL-2641B - Wireless G Router User Manual page 26

Section 4 - Troubleshooting
When the router is connected to the Internet, the Internet Online graphical
icon will be alit in colour. If it is in dark and you are having problems
browsing web pages, then there may be a problem with your internet
settings and you will need to revert to step 2.
Click on the Disconnect button to disconnect the router to the Internet and
the icon will be dark.
D-Link DSL-2641B User Manual 26