HP 500 manual Modem, LAN/Network

Symptom

Call Center:

Repair Center:

Repair Center:

Suggestions

Likely Causes

Comments

USB

General problems.

Check connections.

Motherboard.

Use a loop-back connector

Try one device at a time.

Expansion base.

when testing the serial or

Check settings in BIOS

parallel port—see

page 3-21.

Setup and Control Panel.

Test ports with the

e-DiagTools diagnostics.

Check for latest versions of

drivers.

If the device is powered by

the USB port, try different

ports: if the device works in

all but one port, replace the

module containing that port.

Modem

General problems.

Check all cables and

Mini-PCI card.

connections. If possible,

Mini-PCI panel.

connect directly to a wall

Motherboard.

jack. Check line quality.

In Control Panel, open

Modems (Windows 98) or

Phone and Modem Options

(Windows 2000). Make sure

the parity, speed, word

length, and stop bits match

on sending and receiving

modems.

Open the hardware Device

Manager. If the modem is

disabled, try to enable it. If it

has a conflict, try disabling

another device.

Use an analog telephone

line, not a digital line. In a

hotel, ask for a data line.

Try disabling error correction

and data compression.

LAN/Network

General problems.

Check all cables and

Mini-PCI card.

connections.

Mini-PCI panel.

Try connecting a different

Motherboard.

computer to the cable.

Check settings in BIOS

Setup and Control Panel.

Make sure the LAN cable is

Category 3, 4, or 5 for

10Base-T operation, or

Category 5 for 100Base-TX

operation. Maximum cable

length is 100 meters (330

feet).

Run the LAN diagnostic

software—click Start, Run,

then click Browse, and select

the file C:\HP\DRIVERS

\LAN\WINDIAG\SETUP.EXE.

HP Omnibook 500

Troubleshooting and Diagnostics 3-13