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Solving network problems – HP DX2000 User Manual

Page 92

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D–18

359782-002

Service Reference Guide, dx2000 uT

Troubleshooting Without Diagnostics

Solving Network Problems

These guidelines do not discuss the process of debugging the network cabling.

Solving Network Problems

Problem

Cause

Solution

Wake-on-LAN feature is

not functioning.

Wake-on-LAN is not

enabled.

Use the Network control

application to enable Wake-on-

LAN.

Network driver does

not detect network

controller.

Network controller is

disabled.

Run Computer Setup and enable

network controller.

Incorrect network driver.

Check the network controller

documentation for the correct driver

or obtain the latest driver from the

manufacturer’s Web site.

Network status link light

does not turn on or it

never flashes.

The network status

light should flash

when there is

network activity.

No active network is

detected.

Check cabling and network

equipment for proper connection.

Network controller is not

set up properly.

Use the Network control

application to verify that the device

is working properly.

Network driver is not

properly loaded.

Reinstall network drivers.

System cannot autosense

the network.

Disable auto-sensing capabilities

and force the system into the

correct operating mode.

Diagnostics reports a

failure.

The cable is not securely

connected.

Ensure that both ends of the data

cable are securely connected.

The cable is attached to

the incorrect connector.

Ensure that the cable is attached to

the correct connector.

There is a problem with

the cable or a device at

the other end of the cable.

Ensure that the cable and device at

the other end are operating

correctly.

Network controller

interrupt is shared with

an expansion board.

Under the Computer Setup

Advanced menu, change the

resource settings for the board.

The network controller

is defective.

Replace the NIC or replace the

system board if the NIC is

embedded.

Diagnostics passes, but

the computer does not

communicate with the

network.

Network drivers are

not loaded, or driver

parameters do not match

current configuration.

1. Make sure the network drivers

are loaded and that the driver

parameters match the

configuration of the network

controller.

2. Make sure the correct network

client and protocol is installed.