Dear Andrew,Read http://www.techsupportforum.com/forums/f58/no-dial-tone-13909.html It may give some clues as what may be done under the BIOS. You own an AC97 chip which can also be used as a modem.
Shutdown your computer; unplug the power cord and remove the cover. Check each jumper settings. Read your Dell Dimension 3000 User Manual.
-- Philippe Vouters (Fontainebleau/France) URL: http://vouters.dyndns.org/ SIP: sip:Vouters@xxxxxxxxxxxxxxxx