20 About Your ComputerLeft Side ViewCAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store yourcomputer in a low-airflow environment, such as a closed briefcase, while it is running. Restricting the airflowcan damage the computer or cause a fire.A I R V E N T — The computer uses fans to create airflow through the vents, which prevents the computer fromoverheating.NOTICE: Before you buy an antitheft device, ensure that it will work with the security cable slot.S E C U R I T Y C A B L E S L O T — Lets you attach a commercially available antitheft device to the computer. For moreinformation, see the instructions included with the device.1 air vent 3 optical drive bay2 security cable slot 4 optical-drive-tray ejectbutton32 41