Compaq M300 15-16Troubleshooting, Solving Modem Problems, Refer to Disabling a Device in Chapter

15-16Troubleshooting

Solving Modem Problems Continued

Excessive line current sensed message.

No dial tone, with or without NO DIAL TONE message.

Modem is connected to a digital line.

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.

A shared telephone line is in use.

Modem is connected to a digital line, such as an office PBX line.

Speaker Control AT Command (ATM) is set to 0.

The modem or modem COM port is disabled.

Connect the modem to a standard analog telephone line, then reestablish the connection.

Refer to the “Travel Connection Checklist” in Chapter 7.

At the command line in terminal mode, type ATX3DT.

Connect a telephone to the wall jack. If you do not hear a dial tone, contact your telephone service provider.

Make sure another telephone or modem is not using the telephone line.

Connect the modem to a standard analog telephone line, then reestablish the connection.

1.At the command line in terminal mode, type ATM1, then press Enter.

2.Type ATH1 and listen for the sound of the dial tone.

Refer to “Disabling a Device” in Chapter 11.

Continued