HP dc7608 manual Solving Network Problems

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	Wake-on-LAN is not	Use the Network Connections
not functioning.	enabled.	application in Control Panel to
		enable Wake-on-LAN.
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 the
			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 does not turn on or it never flashes.

✎The network status light should flash when there is network activity.

No active network is	Check cabling and network
detected.	equipment for proper connection.
Network controller is not	Use the Network control application
set up properly.	to verify that the device is working
	properly.

	Network controller is	1. Run Computer Setup and
	disabled.	enable network controller.
		2. Enable the network controller in
		the operating system via Device
		Manager.
	Network driver is not	Reinstall network drivers.
	properly loaded.
	System cannot autosense	Disable auto-sensing capabilities
	the network.	and force the system into the correct
		operating mode.
Diagnostics reports a	The cable is not securely	Ensure that both ends of the data
failure.	connected.	cable are securely connected.
	The cable is attached to	Ensure that the cable is attached to
	the incorrect connector.	the correct connector.
	There is a problem with	Ensure that the cable and device at
	the cable or a device at	the other end are operating
	the other end of the cable.	correctly.
	Network controller	Under the Computer Setup
	interrupt is shared with	Advanced menu, change the
	an expansion board.	resource settings for the board.
	The network controller	Replace the system board (NIC is
	is defective.	integral to the system board).

D–20 390742-002 Service Reference Guide, dc7600