Troubleshooting Without Diagnostics

Solving Network Problems

Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling.

Solving Network Problems

Problem

Cause

Solution

 

 

 

Wake-on-LAN feature is

Wake-on-LAN is not

Enable Wake-on-LAN.

not functioning.

enabled.

1.

Select Start > Control

 

 

 

 

 

Panel.

 

 

2.

Double-click Network

 

 

 

Connections.

 

 

3.

Double-click Local Area

 

 

 

Connection.

 

 

4.

Click Properties.

 

 

5.

Click Configure.

 

 

6.

Click the Power

 

 

 

Management tab, then

 

 

 

select the check box to Allow

 

 

 

this device to bring the

 

 

 

computer out of standby.

 

 

 

Network driver does

Network controller is

1. Run Computer Setup and

not detect network

disabled.

 

enable network controller.

controller.

 

2.

Enable the network controller in

 

 

 

 

 

the operating system via Device

 

 

 

Manager.

 

 

 

 

Incorrect network driver.

Check the network controller

 

 

documentation for the correct driver

 

 

or obtain the latest driver from the

 

 

manufacturer’s Web site.

 

 

 

 

Troubleshooting Guide

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