Problems and Solutions Modem Problems ✎ See also the “Internet Problems” section. No dial tone is audible ■ Verify that the modem cable is securely connected to the telephone wall jack and to the RJ-11 jack on the notebook or port replicator. ■ Verify that the telephone wall jack is functional by plugging a telephone into the wall jack. If you do not hear a dial tone on the telephone, connect the modem to another wall jack or contact your telephone service provider. ■ Verify that no other modem or telephone is using the telephone line. (An extension telephone that has not been hung up may be causing the problem.) ■ Verify that the correct dialing mode (tone or pulse) is selected.
■ Verify that the modem is connected to an analog, not a digital, telephone line. A line described as a PBX line is usually a digital line. A telephone line described as a data line, fax machine line, modem line, or standard telephone line is probably an analog line. ■ If you are not in your home country, refer to the section of your notebook documentation that provides instructions for using the modem internationally. The instructions may be in your model-specific documentation or in a Modem and Networking guide. Modem does not dial correctly ■ Verify that you are dialing the correct number. ■ Dial the number with a telephone.
If you hear a busy signal, dial the number with the modem at a later time. Troubleshooting 2–29