HP Pavilion ze5500 Maintenance and Service Guide - Page 109

Open Hardware Device, in Windows Help. - network controller

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Symptom LAN/network General problems Infrared General problems Call Center: Suggestions Repair Center: Likely Causes Check cables and connections. Try connecting notebook to another network station (if applicable). If green light next to LAN port does not light, LAN cable may not be connected to network or network may be down. Use networking troubleshooter in Windows Help. Check settings in Control Panel. Make sure 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). Test LAN with e-Diagtools diagnostics. Motherboard Infrared is disabled and no drivers installed as shipped. (Drivers are included.) Make sure line between infrared ports is not blocked, ports face each other squarely and are no more than 1 meter apart. Sunlight, heat from nearby equipment, or other sources of infrared radiation can cause transmission errors. Open Hardware Device Manager. Try to enable the infrared port. Remove any PC cards from notebook (possible IRQ conflict). For fast-IrDA, check for DMA conflict with ECP parallel port. Motherboard Repair Center: Comments Service Manual Troubleshooting and Diagnostics 3-17

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Service Manual
Troubleshooting and Diagnostics
3-17
Symptom
Call Center: Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
General problems
Check cables and connections.
Try connecting notebook
to another network station (if
applicable). If green light
next to LAN port does not light,
LAN cable may not be
connected to network or
network may be down.
Use networking troubleshooter
in Windows Help.
Check settings in Control
Panel.
Make sure 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).
Test LAN with e-Diagtools
diagnostics.
Motherboard
Infrared
General problems
Infrared is disabled and no
drivers installed as shipped.
(Drivers are included.)
Make sure line between
infrared ports is not blocked,
ports face each other squarely
and are no more than 1 meter
apart. Sunlight, heat from
nearby equipment, or other
sources of infrared radiation
can cause transmission errors.
Open Hardware Device
Manager. Try to enable the
infrared port.
Remove any PC cards from
notebook (possible IRQ
conflict).
For fast-IrDA, check for
DMA conflict with ECP
parallel port.
Motherboard
LAN/network