User Manual

Troubleshooting and Maintenance
Troubleshooting Techniques
Reference Guide 107
If the modem isn’t detected
Check the modem setup. In Control Panel, open Phone and Modem Options.
Click Start, Control Panel, Performance and Maintenance, System. On the Hardware
tab, open the Device Manager. If the modem is disabled, try to enable it. If it has a
conflict, try disabling another device.
If you’re running fax software using fax Class 2, try using Class 1.
If the modem dials but you can’t hear it
If available, make sure the mute indicator is turned off. If it’s on, press the mute
button.
Check the speaker volume setting and mute setting.
In Control Panel, open Phone and Modem Options. Select the modem and click
Properties, then check the volume setting on the Modem tab.
If the modem connects, but transferred data is bad
In Control Panel, open Phone and Modem Options. Make sure the hardware settings
match on sending and receiving modems.
If the modem causes an ERROR message
A string of AT commands may contain an incorrect command. If you entered
commands as extra settings for the modem in Control Panel or in your
communications software, check the commands.
If the modem doesn’t fax
If you’re using fax Class 2 in the fax software, try using Class 1.
Close any other communications programs.
If you’re faxing by printing from an application, make sure you’ve selected the fax
printer.
Try turning off power management features temporarily.
If the modem clicks repeatedly but doesn’t connect
Make sure you’re using an analog telephone line. You must not use a digital line. In a
hotel, ask for a data line.
Check all cables and connections.