TROUBLESHOOTING SCENARIOS AND SOLUTIONS 127
Chapter 5
Solving Network Problems
These guidelines do not discuss the process of debugging the network cabling.
Power LED flashes Red six times,
once every second, followed by a
two second pause, and the
workstation beeps six times.
Video card is not seated
properly or is bad, or system
board is bad.
For systems with a graphics card:
1 Reseat the graphics card. Power on the system.
2 Replace the graphics card.
3 Replace the system board.
Table 5-13 Network Problems
Problem Cause Solution
Wake-on-LAN feature is not
functioning.
Wake-on-LAN is not enabled. Use the Network control application to enable Wake-on-
LAN.
Network driver does not detect
network controller.
Network controller is disabled. Run Computer Setup and enable network controller.
Incorrect network driver. Check the network controller documentation for the
correct driver or obtain the latest driver from the
manufacturer’s website.
Network status link light does not
turn on or it 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.
Use the Network control application to verify that the
device is working properly.
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.
Diagnostics reports a failure. The cable is not securely
connected.
Be sure that both ends of the data cable are securely
connected.
The cable is attached to the
incorrect connector.
Be sure that the cable is attached to the correct
connector.
There is a problem with the cable
or a device at the other end of the
cable.
Be sure that the cable and device at the other end are
operating correctly.
Network controller interrupt is
shared with an expansion board.
Under the Computer Setup Advanced menu, change the
resource settings for the board.
The network controller
is defective.
Replace the NIC.
Table 5-12 Hardware Installation Problems (Continued)
Problem Cause Solution
To Next Page
Loading...
