HP D3K72UT D3K72UT#ABA manual Table D-12Solving Network Problems

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 D-12Solving 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.	To enable Wake-on-LAN:
	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.

166 Appendix D Troubleshooting Without Diagnostics