This is a common issue with Windows 7. To get around this issue, try the following steps.
- Click the Network icon, located on the right of the taskbar near the time. It should look like a computer monitor.
- Locate the Wireless network you want to connect to and highlight it and click connect.
- At this point you should be given two options: “Setup the Network connection now” or “No, connect to the network anyhow.
You want to select the option for “No, connect to the network anyhow”
- This will bypass the requirement of a PIN, which is not supplied with these routers.