NO DIAL TONE Troubleshooting Steps

Make Sure a Dial Tone Is Available

Check Your Telephone Cable

Make sure that the cable is connected to the modem "Line" jack.

Use a different cable to connect your modem to the telephone outlet. If this solves the problem, you have a damaged cable. Replace the cable with a new cable.

Check Your Modem

Remove the phone line from the phone jack on your modem, and then reconnect the phone line to the same jack. If this solves the problem, you may have a damaged modem. You may have to replace your modem.

Check Your Modem Configuration in Device Manager.

Check the Modem Driver Version.

Uninstall and Reinstall Modem Driver. ( Check for Driver Updates )

Look for a Network Adapter Conflict.

Click Start, right-click My Computer, and then click Manage.

In the Computer Management pane, click Device Manager.

Expand Network Adapters, right-click your network adapter, and then click Disable. If this solves the problem, your modem is conflicting with your network adapter.

Check the Regional Settings in Modem Properties. (If your modem is set for the wrong country, it may be "listening" for the wrong dial tone. To check the regional settings)

Click Start, and then click Control Panel.

Click Printers and Other Hardware, and then click Phone and Modem Options.

Click the Dialing Rules tab, click your location, and then click Edit.

Click the General tab, and then make sure that the correct country is listed under Country/region.

Disable Dial Tone Detection

Click Start, click Control Panel.

Click Printers and Other Hardware, and then click Phone and Modem Options.

Click the Modem tab, click your modem on the list of installed modems, and then click Properties.

Click the Modem tab, click to clear the Wait for dial tone before dialing check box, and then click OK.