23Using Your Inspiron Laptop1 Power status light — Turns on steadily or blinks to indicate the power status.For more information on the power status light, see “Status Lights and Indicators” on page 24.2 Hard drive activity light — Blinks to indicate hard drive activity when the computer readsor writes data.3 Battery status light — Turns on steadily or blinks to indicate the battery charge status.For more information on the battery status light, see “Status Lights and Indicators” on page 24.NOTE: The battery is charging when the computer is powered using the AC adapter.4 3-in-1 Media Card Reader — Provides a fast and convenient way to view andshare digital photos, music, videos, and documents stored on the memory card.NOTE: Your computer ships with a plastic blank installed in the media card slot. Blanks protectunused slots from dust and other particles. Save the blank for use when no media card isinstalled in the slot; blanks from other computers may not fit your computer.5 Analog microphone — Provides quality sound for video conferencing and voice recording.6 Audio out/Headphone connector — Connects to a pair of headphones or to a poweredspeaker or sound system.7 Audio in/Microphone connector — Connects to a microphone or inputs signal for use withaudio programs.