Some simple things to try:
- Make sure you Wireless Modem is powered on and the signal indicator lights show a good signal strength.
- Make sure your router's WAN or Internet port is connected to the Wireless Modem.
- Sometimes power cycling your equipment is helpful.
- Try power cycling your Wireless Modem, then your router, in that order.
- Be sure to add www.ziplinkinternet.com to your list of trusted WWW sites in your browser's security settings.