HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 191

Solving Network Problems

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Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Network driver does not detect network controller. Network controller is disabled. Incorrect network driver. Network status link light never flashes. ✎ The network status light should flash when there is network activity. No active network is detected. Network controller is not set up properly. Network controller is disabled. Network driver is not properly loaded. System cannot autosense the network. 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. 1. Run Computer Setup and enable network controller. 2. Enable the network controller in the operating system via the Device Manager. Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer's Web site. 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. Reinstall network drivers. Disable auto-sensing capabilities and force the system into the correct operating mode. Service Reference Guide, dc5700 437804-001 D-27

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Service Reference Guide, dc5700
437804-001
D–27
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
not functioning.
Wake-on-LAN is not
enabled.
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.
Network controller is
disabled.
1. Run Computer Setup and
enable network 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
never flashes.
✎
The network status
light should flash
when there is
network activity.
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.
Network driver is not
properly loaded.
Reinstall network drivers.
System cannot autosense
the network.
Disable auto-sensing capabilities
and force the system into the correct
operating mode.