video fan air vent — The computer uses internal fans to create airflow through the vents, which prevents the computer from overheating.Back Viewvideo fan air vent — The computer uses internal fans to create airflow through the vents, which prevents the computer from overheating.infrared sensor — Lets you transfer files from your computer to another infrared-compatible device without using cable connections.When you receive your computer, the sensor is disabled. You can use system setup to enable the sensor. For information on transferring data, see WindowsHelp, the Windows Help and Support Center, or the documentation that came with your infrared-compatible device.network connector (RJ-45)modem connector (RJ-11)USB 2.0 connectors (2)Connects USB 2.0 compliant devices, such as a mouse, keyboard, or printer.NOTE: The computer turns on the fans when the computer gets hot. Fan noise is normal and does not indicate a problem with the fan or the computer.CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your computer in a low-airflow environment,such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.1 video fan air vent 6 S-video TV-out connector2 infrared sensor 7 serial connector3 network connector (RJ-45) 8 video connector4 modem connector (RJ-11) 9 AC adapter connector5 USB 2.0 connectors (2) 10 processor fan air ventNOTE: The computer turns on the fans when the computer gets hot. Fan noise is normal and does not indicate a problem with the fans or the computer.CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your computer in a low-airflow environment,such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.NOTICE: The network connector is slightly larger than the modem connector. To avoid damaging the computer, do not plug a telephone line in to thenetwork connector.Connects the computer to a network. The two lights next to the connector indicate the status of the link and the transfer of informationon a wired network connection.For information on using the network adapter, see the online network-adapter documentation supplied with your computer. See"Finding Information."If you ordered the optional internal modem, connect the telephone line to the modem connector.For information on using the modem, see the online modem documentation supplied with your computer. See "Finding Information."