Compaq 247320-003 - Deskpro 4000 - 5166 Model 2500/CDS Reference Manual page 175

Problem
Network status link light
does not turn on or
flashes.
Cause
No active network is detected.
Network controller is not set up
properly.
System is configured for AUI
connection.
Network driver is not properly
loaded.
System cannot autosense the
network.
Solution
Check cabling and network
equipment for proper connection.
Use the Network control application
to verify that device is working
properly.
For more information, refer to
Chapter 4, "Using Network
Communications."
No solution; link LED does not apply
to AUI connections.
Reinstall network drivers.
For more information, refer to
Chapter 4, "Using Network
Communications."
Disable autosensing capabilities and
force the system into the correct
operating mode.
For more information, refer to
Chapter 4, "Using Network
Communications."