HP omnibook 510 Manuale Di Servizio
Troubleshooting and Maintenance
Troubleshooting Your Computer
Troubleshooting Your Computer
118 Reference
Guide
• Try another telephone line, preferably one normally used for a fax machine or
modem.
• The modem at the other end may have a problem. Try dialing to a different modem.
• Try disabling error correction and data compression.
• Try disabling error correction and data compression.
If the modem isn’t detected
• Check the modem setup. In Control Panel, open Modems (Windows 98) or Phone and
Modem Options (Windows 2000 or XP). Check the COM port.
• Open the hardware Device Manager: click Start, Settings, Control Panel, System
(Windows 98 or 2000) or Start, Control Panel, Performance and Maintenance, System
(Windows XP). If the modem is disabled, try to enable it. If it has a conflict, try
disabling another device.
(Windows XP). If the modem is disabled, try to enable it. If it has a conflict, try
disabling another device.
• If you’re running fax software using fax Class 2, try using Class 1.
If the modem dials but you can’t hear it
• Make sure the audio-off light is turned off. If it’s on, press the audio-off button.
• Check the speaker volume setting and mute setting.
• In Control Panel, open Modems (Windows 98) or Phone and Modem Options
• Check the speaker volume setting and mute setting.
• In Control Panel, open Modems (Windows 98) or Phone and Modem Options
(Windows 2000 or XP). Select the modem and click Properties, then check the
volume setting on the General tab.
volume setting on the General tab.
If the modem connects, but transferred data is bad
• In Control Panel, open Modems (Windows 98) or Phone and Modem Options
(Windows 2000 or XP). Make sure the parity, speed, word length, and stop bits match
on sending and receiving modems.
on sending and receiving modems.
• Try disabling error correction and data compression.
If the modem causes an ERROR message
• A string of AT commands may contain an incorrect command. If you entered
commands as extra settings for the modem in Control Panel or in your
communications software, check the commands.
communications software, check the commands.
If the modem doesn’t fax
• If you’re using fax Class 2 in the fax software, try using Class 1.
• Close any other communications programs.
• Close any other communications programs.