Thank you for personally replying.
"Open firefox and go to Edit > Preferences > Advanced > Network > Settings
and change the setting to No proxy. Click OK, Close, and try connecting to a
web site again."
Unfortunately, that did not work.
I made sure that my wireless connection's IPV4 and IPV6 settings were set to
'Automatic', but I still can't access websites.
------------------------
fish@fish-Satellite-L645:~$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
^C
--- 192.168.1.1 ping statistics ---
20 packets transmitted, 0 received, 100% packet loss, time 19028ms