Solving Network Problems - HP Compaq dc5750 MT Troubleshooting 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 2-12 Solving Network Problems
Wake-on-LAN feature is not functioning.
Cause
Wake-on-LAN is not enabled.
NOTE
configuration applets that allow for more detailed
control and configuration of wake features. Refer to
the documentation included with the NIC for more
information.
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.
Network controller is disabled.
ENWW
Some NICs come with their own
Solution
Enable Wake-on-LAN.
1. Select Start > Control Panel.
2. Double-click Network Connections.
3. Double-click Local Area Connection.
4. Click Properties.
5. Click Configure.
6. Click the Power Management tab, then select the check
box to Allow this device to bring the computer out of
standby.
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.
1. Run Computer Setup and enable network controller.
2. Enable the network controller in the operating system via
Device Manager.
Solving Network Problems 33