HP Armada 7300 Armada 7300 Family of Personal Computers Reference Guide - Page 132
Solving Modem Problems
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Solving Modem Problems Problem No dial tone. Possible Cause Phone service is not connected or is temporarily interrupted. The modem is not responding to commands from the keyboard. Speaker Control AT Command (ATM) is set to 0. Solution Connect a phone to the wall jack. If the phone has no dial tone, contact your phone company or building manager. To verify the modem and computer are communicating: 1. Go to HyperTerminal Terminal Mode, type AT and press Enter. s If the modem displays OK, the modem and computer are working together. s If the modem displays ERROR, or does not respond, restart the computer and repeat step 1. 2. Type ATDT and listen for a dial tone. 3. Type ATH0 to hang up. To set the Speaker Control to 1: 1. Go to HyperTerminal Command Mode, type ATM1, then press Enter. 2. Type ATH1 and listen for the dial tone. 3. Type ATH0 to hang up. Continued 17-14 Troubleshooting