HP Pavilion dv7-4278nr Entertainment Notebook PC - Manual (Page 16)

Left-side components
Item Description Function
(1) Vents (2) Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(2) External Monitor port Connects an external VGA monitor or projector.
(3) RJ-45 (network) jack Connects a network cable.
(4) HDMI port Connects an optional video or audio device, such as a high-
definition television, or any compatible digital or audio component.
(5) eSATA/USB port (select models only) Connects an optional high-performance eSATA component, such
as an eSATA external hard drive, or connects an optional USB
device.
NOTE: Depending on the computer model, the computer might
include only a USB port.
(6) USB port Connects an optional USB device.
(7) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, monarural microphone.
(8) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
(9) SD card reader Reads SD cards that are inserted into the reader.
6 Chapter 1 Features