TThe bit about the same site suggests a problem with dns. So does the internet radio part, as plain ip addresses are often used here instead of domain names. Try manually setting DNS
server on 770 to your router's ip, or to 4.2.2.2 or opendns's servers. (or try double-checking to ensure it is automatic) If the DHCP process takes a while, it could finish before completion. The router replacement/hard reset of all settings may also fix this...