20 A Tour of Your Computerw w w . d e l l . c o m | s u p p o r t . d e l l . c o mBottom ViewM O D U L E B A Y — You can install devices such as an optical drive in the module bay. For more information,see "Installing Module Bay Devices" on page 29.M O D U L E B A Y L A T C H R E L E A S E — Releases a device. See "Installing Module Bay Devices" on page 29for instructions.H A R D D R I V E — Stores software and data.B A T T E R Y L A T C H R E L E A S E — Releases a device. See "Using a Battery" on page 25 for instructions.B A T T E R Y /B A T T E R Y B A Y — When a battery is installed, you can use the computer without connecting thecomputer to an electrical outlet. See "Using a Battery" on page 25.A I R V E N T — The computer uses an internal fan to create airflow through the vents, which prevents thecomputer from overheating.CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not storeyour 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.M E M O R Y M O D U L E C O V E R — Covers the compartment that contains the memory module. See "Memory"on page 73.MI N I PCI C A R D A N D M O D E M C O V E R — Covers the compartment that contains the Mini PCI card andmodem. See "Mini PCI Card" on page 76 and "Modem" on page 75.Mini PCI card and modem coverair ventmemorymodulecoverbattery* battery latch releasemodule bayhard drive covermodule baylatch release*optional 8-cell battery is shown