Solving Problems with Your Computer
Troubleshooting Techniques
112 Reference Guide
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 Modems (Windows 98) or Phone and Modem Options
(Windows 2000 or XP). Check the dialing options—look for duplicate digits for
outside access or long distance.
• Make sure the number you’re calling isn’t busy.
• If you’re in a foreign country, the dial tone may not be recognized by the modem. In
Control Panel, open Modems (Windows 98) or Phone and Modem Options
(Windows 2000 or XP), and try disabling the option that waits for a dial tone.
• If you have call-waiting, disable it—your telephone company can provide
instructions.
If the modem will not connect at 56K speed
• The host modem may not support a 56K (V.90) connection speed.
• The speed at which you connect depends on several factors, such as the current
condition of the telephone line. Try connecting another time.
If the modem will not connect at any speed
• Make sure you’re using an analog telephone line. You must not use a digital line. In a
hotel, ask for a data line.
• Make sure the telephone line goes from the RJ-11 modem phone jack on the right
side of the computer to the telephone jack on the wall.
• If you have a single telephone line for voice and modem use, make sure no one else is
using the line and that the phone is not off the hook.
• Try another telephone line, preferably one normally used for a fax machine or
modem.
• Contact your Internet Service Provider (ISP). It's possible that service may be
unavailable temporarily or that your settings are incorrect.
• Try restarting your computer and attempt another connection.
• Try an alternative dial-in number.
• Try disabling error correction and data compression.
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