HP Dc5750 Troubleshooting Guide - dc5750 Models - Page 39

Solving Network Problems, guidelines do not discuss the process of debugging the network cabling.

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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 Solution Wake-on-LAN is not enabled. Enable Wake-on-LAN. NOTE Some NICs come with their own configuration applets that allow for more detailed control and configuration of wake features. Refer to the documentation included with the NIC for more information. 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. Network driver does not detect network controller. Cause Network controller is disabled. Incorrect network driver. 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. 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. 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. ENWW Solving Network Problems 33

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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
Solution
Wake-on-LAN is not enabled.
NOTE
Some NICs come with their own
configuration applets that allow for more detailed
control and configuration of wake features. Refer to
the documentation included with the NIC for more
information.
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
.
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.
Network controller is disabled.
1.
Run Computer Setup and enable network controller.
2.
Enable the network controller in the operating system via
Device Manager.
ENWW
Solving Network Problems
33