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

 

using Device Manager.

 

To access Device Manager in Windows 7, click Start,

 

select Control Panel, and then select Device

 

Manager.

 

To access Device Manager in Windows 8, from the Start

 

screen, type c, select Control Panel from the list of

 

applications, and then select 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.

 

To access Device Manager in Windows 7, click Start, select

 

Control Panel, and then select Device Manager.

 

To access Device Manager in Windows 8, from the Start

 

screen, type c, select Control Panel from the list of

 

applications, and then select Device Manager.

 

 

Network controller is disabled.

1. Run Computer Setup and enable network controller.

 

2. Enable the network controller in the operating system

 

using Device Manager.

 

To access Device Manager in Windows 7, click Start,

 

select Control Panel, and then select Device

 

Manager.

 

To access Device Manager in Windows 8, from the Start

 

screen, type c, select Control Panel from the list of

 

applications, and then select Device Manager.

 

 

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.

 

 

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Chapter 9 Troubleshooting without diagnostics