Dell Inspiron 4150 Owner's Manual page 64

Audio Connectors
Attach a microphone to the connector.
Attach headphones or speakers to the
Modem Connector
Connect the telephone line to the optional modem connector.
For information on using the modem, see the online modem
documentation supplied with your computer. To access device user's
guides, see "Need Additional Help?" in the Tell Me How help file (see
"Accessing Help").
Network Connector
Connects the computer to a network. The lights next to the connector
indicate activity for both wired and wireless network communications.
For information on using the network adapter, see the online network
adapter documentation supplied with your computer. To access device
user's guides, see "Need Additional Help?" in the Tell Me How help file
(see "Accessing
NOTICE: The network connector is slightly larger than the modem connector. Do not plug a telephone line into the network connector.
S-Video TV-Out Connector
Air Vent — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.
HINT: The computer turns on the fans when the computer gets hot. The fans may make noise, which is normal and does not indicate a problem with the
fans or the computer.
connector.
Help").
Connects your computer to a TV.