Is your Belkin router suddenly not connecting to the Internet? If so, there may be a relatively simply fix that will solve the problem.
For some unknown reason—most likely a firmware update, but this hasn’t yet been confirmed—several models of Belkin routers have simply started refusing to connect to the Internet. A Reddit thread on the issue appears to point to issues with a Belkin “heartbeat” server, which apparently doesn’t respond at unexpected intervals.
Edit 4:17 PM: Belkin has solved the problem.
More: continued here