2–26
Maintenance and Service Guide
Troubleshooting
Flowchart 2.20—No Network/Modem
Connection
Y
Disconnect all
power from
the computer
and open.
No network
or modem
connection.
N
Done
Digital
line?
Network
or modem jack
active?
Replace jack
or have jack
activated.
Connect
to nondigital
line.
NIC/modem
configured
in OS?
Reload
drivers and
reconfigure.
Reseat NIC/modem
(if applicable).
Replace the
NIC/modem
(if applicable).
Replace
system
board.
OK?
OK?
Done
N
N
N
N
Y
Y
Y
Y
Summary of Contents for Compaq NC4400
Page 56: ...3 4 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 58: ...3 6 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 60: ...3 8 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 62: ...3 10 Maintenance and Service Guide Illustrated Parts Catalog 3 3 Display Assembly Components ...