HP Pavilion XZ200 Series, Service Manual

Page: 78 / 105

Technology Code IC) Troubleshooting and Diagnostics 3-15
Symptom Call Center:
Suggestions Repair Center:
Likely Causes Repair Center:
Comments
Modem will not
connect at any
speed. Make sure notebook’s
modem is properly
connected to wall telephone
jack. Check cables.
Verify settings in Control
Panel. Make sure parity,
speed, word length, and stop
bits match on sending and
receiving modems.
Restart notebook.
Run Windows modem
diagnostics or modem
troubleshooter in Windows
Help.
Open Device Manager. If
modem is disabled, enable it.
If it has a conflict, try
disabling another device.
Use analog telephone line,
not PBX or digital line. In a
hotel, ask for data line.
Try disabling error correction
and data compression.
Download latest modem
driver from technical support
area of HP notebook web site
(see page vi). Mini-PCI card.
Motherboard.
Modem dials
incorrectly. Check number you entered,
including digits required for
outside access or long
distance.
Check dialing options in
Control Panel—look for
duplicate digits for outside
access or long distance.
In foreign country, modem
may not recognize dial tone.
In Control Panel, disable
option that waits for dial tone.
Disable call-waiting.
Modem seems
slow. Check for excess line noise
or static (often difficult to
eliminate on international
calls). Contact telephone
company if needed.
Disable call-waiting.
Eliminate extra connections
in the line. If possible,
connect directly to wall jack.
Try another telephone line,
preferably one used for a fax
machine or modem. Mini-PCI card.