Compaq Armada 1700 Reference Manual page 88

To uninstall the modem software and hardware under Windows
NT 4.0, you must log into Windows NT 4.0 with Administrator
privileges. To uninstall the modem software and hardware if you
are running Windows 95, Windows 98, or Windows NT 4.0:
1. Click Start, Settings, Control Panel.
2. Double-click the Add/Remove Programs icon.
3. Select the Compaq internal model from the list of software.
4. Click the Add/Remove button.
5. Click Yes to confirm.
6. If you are prompted to restart the system, click Yes.
Remove the modem hardware from the computer.