Solving Network Problems - HP Pro 3400 Maintenance And Service Manual

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-12 Solving Network Problems
Wake-on-LAN feature is not functioning.
Cause
S5 Maximum Power Saving feature is enabled.
S5 Wake on LAN is disabled.
Wake-on-LAN is not enabled.
Network driver does not detect network controller.
Cause
Network controller is disabled.
Incorrect network driver.
Network status link light never flashes.
NOTE: The network status light is supposed to flash when there is network activity.
Cause
No active network is detected.
Network controller is not set up properly.
Solution
Disable the S5 Maximum Power Saving option in Computer
Setup. Select Power > Hardware Power Management > S5
Maximum Power Saving.
: Enable the S5 Wake on LAN option in Computer Setup.
Select Advanced > Device Options > S5 Wake on LAN.
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.
Solution
1. Run Computer Setup and enable network controller.
2. Enable the network controller in the operating system
via Device Manager.
Check the network controller documentation for the correct
driver or obtain the latest driver from the manufacturer's Web
site.
Solution
Check cabling and network equipment for proper connection.
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 165