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.

Table 8-11Solving network problems

Wake-on-LAN feature is not functioning.

Cause

Solution

 

 

S5 Maximum Power Saving feature is enabled.

Disable the S5 Maximum Power Saving option in Computer

 

Setup. Select Power > Hardware Power Management > S5

 

Maximum Power Saving.

 

 

S5 Wake on LAN is disabled.

: Enable the S5 Wake on LAN option in Computer Setup.

 

Select Advanced > Device Options > S5 Wake on LAN.

 

 

 

Wake-on-LAN is not enabled.

1.

Select Start > Control Panel.

 

2.

Under Network and Internet, select View network

 

 

status and tasks.

 

3.

Click Local Area Connection.

 

4.

Click the Properties button.

 

5.

Click the Configure button.

 

6.

Click the Power Management tab, then select the

 

 

check box to Allow this device to wake the computer.

 

 

 

Network driver does not detect network controller.

 

 

 

 

Cause

Solution

 

 

 

Network controller is disabled.

1.

Run Computer Setup and enable network 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.

 

 

 

 

Network status link light never flashes.

NOTE: The network status light is supposed to flash when there is network activity.

Cause

Solution

 

 

No active network is detected.

Check cabling and network equipment for proper connection.

 

 

Network controller is not set up properly.

Check for the device status within Windows, such as Device

 

Manager for driver load and the Network Connections applet

 

within Windows for link status.

 

 

Solving network problems 127