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
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. | |
|
| |
S5 Wake on LAN is disabled. | : Enable the S5 Wake on LAN option in Computer Setup. | |
| Select Advanced > Device Options > S5 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. |
|
|
|
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. |
|
|
124 Chapter 7 Troubleshooting Without Diagnostics