Left Side Viewprocessor fan air vent — Computers use internal fans to create airflow through the vents. This helps prevent overheating.security cable slot — Lets you attach a commercially available antitheft device to the computer. For more information, see the instructions included with thedevice.hard drive — Stores software and data..Turns on when the uppercase letter function is enabled.Turns on when a card with Bluetooth® wirelesstechnology is enabled.NOTE: The card with Bluetooth wireless technology isan optional feature, so the light turns on only if youordered the card with your computer. For moreinformation, see the documentation that came with yourcard.To turn off only the Bluetooth wireless technologyfunctionality, right-click the icon in the system trayand select Disable Bluetooth Radio.To quickly enable or disable all wireless devices, press.Turns on when the scroll lock function is enabled.1 processor fan air vent 4 PC Card slot2 security cable slot 5 smart card slot3 hard driveNOTE: The computer turns on the fan(s) when the computer gets hot. Fan noise is normal and does not indicate a problem with the fan or thecomputer.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: Before you buy an antitheft device, ensure that it will work with the security cable slot.