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2–30 Maintenance and Service Guide
Troubleshooting
2.20 Network or Modem Connection Problems
Y
Disconnect all
power from
the notebook
and open.
No network
or modem
connection.
N
Done
Digital
line?
Network
or modem jack
active?
Replace jack or
have jack
activated.
Connect
to non-digital
line.
NIC/modem
configured in OS?
Reload
drivers and
reconfigure.
Reseat
NIC/modem if
applicable.
Replace
NIC/modem if
applicable.
Replace
system
board.
OK?
OK? Done
N
N
N
N
Y
Y
Y
Y