HP pavilion ze5100 サービスマニュアル
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Troubleshooting and Maintenance
Troubleshooting Your Computer
Reference Guide
105
Modem Problems
If the modem seems slow
•
Check for excess static or noise on a line reduces the overall transmission speed. If
necessary, contact your telephone company about fixing this type of problem.
necessary, contact your telephone company about fixing this type of problem.
•
If you’re dialing internationally, line noise is often a problem that’s difficult or
impossible to eliminate.
impossible to eliminate.
•
If you have call-waiting, disable it—your telephone company can provide
instructions. It can cause symptoms similar to static.
instructions. It can cause symptoms similar to static.
•
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.
modem.
If the modem doesn’t 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 isn’t using the same phone line.
•
Try another telephone line, preferably one normally used for a fax machine or
modem.
modem.
•
If you’re 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.
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.
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.
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 Phone and Modem Options. Try disabling the option that waits
for a dial tone.
Control Panel, open Phone and Modem Options. Try disabling the option that waits
for a dial tone.