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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 D-12 Solving Network Problems
Wake-on-LAN feature is not functioning.
Cause Solution
S5 Maximum Power Saving feature is enabled. Disable the S5 Maximum Power Saving option in Computer
Setup. Select Power > Hardware Power Management > S5
Maximum Power Saving.
Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows XP:
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.
To enable Wake-on-LAN in Windows Vista:
1. Select Start > Control Panel.
2. Under Network and Internet, select View network
status and tasks.
3. In the Tasks list, select Manage network connections.
4. Double-click Local Area Connection.
5. Click the Properties button.
6. Click the Configure button.
7. Click the Power Management tab, then select the
check box to Allow this device to wake the computer.
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.
Solving Network Problems 229