HP Pavilion dv4-2100 Notebook Tour - Windows 7 - Page 14
Front components
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Front components Component (1) Power light (2) Battery light (3) Drive light (4) Consumer infrared lens (5) Audio-in (microphone) jack (6) Audio-out (headphone) jacks (2) Description ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● On: A battery is charging. ● Blinking: A battery that is the only available power source has reached a low battery level or a critical battery level. ● Off: If the computer is plugged into an external power source, the light is turned off when all batteries in the computer are fully charged. If the computer is not plugged into an external power source, the light stays off until the battery reaches a low battery level. ● Blinking: The hard drive or optical drive is being accessed. ● On: HP ProtectSmart Hard Drive Protection has temporarily parked the internal hard drive, and if present, the hard drive in the SmartBay. Receives a signal from the HP Remote Control. Connects an optional computer headset microphone, stereo array microphone, or monaural microphone. Produce sound when connected to optional powered stereo speakers, headphones, ear buds, a headset, or television audio. 8 Chapter 2 Components