Modem cable is not plugged into the correct notebook jack.Incorrect line type (pulse or tone) is selected.Make sure the correct line type has been selected.Modem is connected to a digital line.Connect the modem to a standard analog telephone line and reestablish the connection.

        You are not in your home country and the modem does not recognize the local dial tone.Telephone service is not connected to the telephone wall jack.Connect a telephone to the wall jack. If you do not hear a dial tone, contact your telephone service provider.Maybe a shared telephone line is in use.Make sure another telephone or modem is not using the telephone line. Another possible could be that the modem is connected to a digital line such as an office PBX line.Connect the modem to a standard analog telephone line and reestablish the connection.

        System sound is muted or turned down.Use volume buttons or the volume control icon on the taskbar to adjust the volume.

        Call waiting feature may be interfering.Disable call waiting feature before dialing. For information about disabling call waiting, and to obtain the (disable call waiting code) for your dialing area, consult your local telephone service provider.When using the modem in another country, it may be necessary to dial a prefix, such as 0 or 1.Dial 0 or 1 before dialing the number

        Line conditions in your area or in the area you are calling may not support the highest connect speeds.Have your telephone line checked by your local telephone service provider.Try dialing an alternate telephone number for the service you are using.Another device on your telephone line may be causing interference.Hang up an extension telephone and disconnect any other devices that may be using the same phone line, then redial your service provider.There is noise on the telephone line.Use another telephone line.

        Another communications software application is open.Close the other communications application.The wrong printer driver is selected. Verify that you have selected the correct printer driver.

        There is noise on the telephone line.Request a telephone line filter from your local telephone service provider

        Call waiting feature may be interfering with the connection.Disable call waiting feature before dialing.For information about disabling call waiting, and to obtain the disable call waiting code for your dialing area, consult your local telephone service provider.Another device on your telephone line may be causing interference.Hang up an extension telephone and disconnect any other devices that may be using the same telephone line, then redial.Your service provider may have entered an inactivity timeout.Ask your service provider if idle time on the line terminates the connection.Maybe Hibernation was initiated; the notebook reached a low-battery or critical low-battery condition.Connect the notebook to an external power source. Exit Hibernation.Restart the communications software application