HP Compaq NC4000 Networking Manual page 13

Using an Internal Modem
5. Clear the Wait for Dial Tone Before Dialing check box.
6. If you continue to receive the No Dial Tone error
1–10
message after clearing the check box:
a. Select Start > Settings > Control Panel > Phone and
Modems Options icon.
b. Select the Dialing Rules tab.
c. In the Locations list, select the location from which
you are dialing.
d. Select Edit.
e. Select your location from the drop-down list in the
Country/Region box.
f. Select Apply > OK.
g. Select the Modem tab.
h. Select your modem.
i. Select Properties > General tab.
j. Clear the Wait for Dial Tone Before Dialing
check box.
Modem & Networking