Not validating identity wireless
A web search using the product name and model number will usually return links to what you need.
See also [HINTS and TIPS] and [HOWTOS] for other subjects and/or specifics in more detail.
Then disable and re-enable the connection before retrying (also under Control Panel / Network Connections).
- In Windows Vista the profiles are saved in Manage Wireless Networks (under Control Panel / Network and Sharing Center) Remove the profile for your SSID.
Try shutting down the computer and removing the A/C power cord AND the battery pack if present, then retry on A/C power.First, refer to your router manufacturer's documentation for information how to sign in to the router and access its configuration.To set up the connection to Comcast: 1) No user name or password is required for the WAN connection 2) Get external IP address automatically (dynamically) using DHCP 3) Get name servers (DNS) automatically 4) No hostname or domain name is required.If still not connecting, check your IP address, and if it starts 169.254.*, check that firewall software is not blocking the connection.If all else fails, on a Windows PC you may need to uninstall/reinstall the device driver for your wireless network adapter.