These are general troubleshooting steps that may resolve or more accurately diagnose numerous modem problems.
Before using these diagnostic steps, verify the following information:
There is a modem installed and that the phone cable is plugged into the RJ11 jack on the modem and not plugged into the RJ45 connector of a network card if a network card is installed.
The modem, hardware, and operating system requirements are met.
The latest modem driver has been installed properly.
Check the Device Manager for conflicts and resource usage. To open Device Manager:
Right-click on My Computer.
Click Properties.
In the Properties window, select the Hardware tab, then click Device Manager.
Move the modem to another slot.
Remove any additional adapters which may be using available resources, such as I/O or IRQ.
Verify that no other software that accesses the COM ports is running when the operating system loads
Verify that there is a direct connection from a wall outlet to the modem, without other devices such as surge protectors and fax machines
Run the modem diagnostics
Click Start, then click Settings, and then click Control Panel.
Double-click the Modem or Phone and Modem icon.
Click the Diagnostics tab.
Highlight your modem from the list.
Click More Info. The modem settings and a list of AT commands will appear
Press and hold Ctrl+Alt+Delete (Click Task Manager if you use Windows NT, 2000, XP). The Close Program dialog box appears.
Click End Task.
Test your modem
Click Start, then click Programs, then click Accessories, (Click Communications if you use Windows XP), and then click HyperTerminal.
Enter a name for the test connection.
Highlight the red and yellow phone icon.
Click OK. The Connect To window appears.
Select the communication port that your modem uses from the Connect using drop-down list.
Click OK.
Click Restore defaults.
Click OK.
Type ATZ and press Enter.
Type ATDT and the telephone number to which you wish to connect. For example, your Internet Service Provider (ISP).
Reinstall the modem drivers
Click Start, then click Settings, and then click Control Panel.
Double-click the System icon.
Click on the Device Manager tab (Click on the Hardware tab and then click Device Manager if you use Windows 2000, XP).
Click on Modems.
Highlight your modem.
Click Remove.
Restart the system when prompted.
Note: If the modem is still not responding correctly, repeat steps 1 through 6 above. Do not restart the system when prompted. Run the modem driver installation program from the diskette or CD-ROM supplied with the modem.
If these steps have not solved your problem, please refer to"Need more help?"