Troubleshooting

Eliminate extra connections in the line. If possible, connect directly to the wall jack.

Try another telephone line, preferably one normally used for a fax machine or modem.

If the Modem Does Not Dial or No Dial Tone Is Detected

Check all cables and connections.

Connect a standard telephone to the phone line and make sure the line is working.

Make sure someone else is not using the same phone line.

Try another telephone line, preferably one normally used for a fax machine or modem.

If you are in a foreign country, the dial tone may not be recognized by the modem. In Control Panel, open Phone and Modem Options. Try disabling the option that waits for a dial tone.

If the Modem Dials Incorrectly

Check the telephone number you entered, including any digits required for outside access or long distance.

In Control Panel, open Phone and Modem Options. Check the dialing options—look for duplicate digits for outside access or long distance.

Make sure the number you are calling is not busy.

If you are in a foreign country, the dial tone may not be recognized by the modem. In Control Panel, open Phone and Modem Options. Try disabling the option that waits for a dial tone.

If you have call-waiting, disable it. Your telephone company can provide instructions.

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Reference Guide

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HP 2535QV, 2500, 2185AF, 2158, 2505EA If the Modem Does Not Dial or No Dial Tone Is Detected, If the Modem Dials Incorrectly

2550CA, 2542EA, 2562AP, 2569AP, 2555AP specifications

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