HP Pavilion dm4 Maintenance and Service Guide - Page 20
External component identification, RJ-45 network jack
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Component (6) Power light (7) Vents (3) (8) RJ-45 (network) lights (9) RJ-45 (network) jack (10) HDMI port (11) Combo eSATA/USB port Description ● On: Power is on. ● Blinking: The computer is in the Sleep state. NOTE: Another power light is located next to the power button. Enable 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. ● White: The network is connected. ● Amber: The network is showing activity. Connects a network cable. Connects an optional HDMI device. Connects an optional USB device or highperformance eSATA components, such as an eSATA external hard drive. 12 Chapter 2 External component identification