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Network
driver
does
not
detect
network
controller.
Cause
Solution
Network
controller
is
disabled.
Incorrect
network
driver.
1.
Run
Computer
Setup
and
enable
network
controller.
2.
Enable
the
network
controller
in
the
operating
system
via
Device
Manager.
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.
Network
controller
is
not
set
up
properly.
Network
controller
is
disabled.
Network
driver
is
not
properly
loaded.
System
cannot
autosense
the
network.
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.
Diagnostics
reports
a
failure.
Cause
Solution
The
cable
is
not
securely
connected.
The
cable
is
attached
to
the
incorrect
connector.
There
is
a
problem
with
the
cable
or
a
device
at
the
other
end
of
the
cable.
Network
controller
interrupt
is
shared
with
an
expansion
board.
The
network
controller
is
defective.
72
Ensure
that
the
cable
is
securely
attached
to
the
network
connector
and
that
the
other
end
of
the
cable
is
securely
attached
to
the
correct
device.
Ensure
that
the
cable
is
attached
to
the
correct
connector.
Ensure
that
the
cable
and
device
at
the
other
end
are
operating
correctly.
Change
the
resource
settings
for
the
board
in
Computer
Setup.
Contact
an
authorized
service
provider.