Call Center:

Repair Center:

Repair Center:

Symptom

Suggestions

Likely Causes

Comments

LAN/network

 

 

 

General problems.

Check cables and

Motherboard.

 

 

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.

 

 

Infrared

 

 

 

General problems.

Infrared is disabled and no

Motherboard.

 

 

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.

 

 

Service Manual

Troubleshooting and Diagnostics

3-15

Page 150
Image 150
HP 2142AC, 2500, 2186AF, 2183AF, 2182AT, 2182AF, 2180EA, 2180AF, 2180CA, 2179AF, 2178EA, 2178CL, 2178AF, 2177AF, 2176RS, 2175EU Infrared

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