HP Pavilion dm4-2100 HP Pavilion dm4 Entertainment PC Maintenance and Service - Page 20

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Component (7) Vents (3) (8) (9) (10) (11) Display RJ-45 (network) lights RJ-45 (network) jack HDMI port USB port Description 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 video or audio device, such as a high-definition television, or any compatible digital or audio component. Connects optional USB devices. Component (1) WLAN antennas (2) (2) Internal microphone Description Send and receive wireless signals to communicate with wireless local area networks (WLAN). Records sound. 12 Chapter 2 External component identification

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Component
Description
(7)
Vents (3)
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.
(8)
RJ-45 (network) lights
●
White: The network is connected.
●
Amber: The network is showing activity.
(9)
RJ-45 (network) jack
Connects a network cable.
(10)
HDMI port
Connects an optional video or audio device, such as a
high-definition television, or any compatible digital or audio
component.
(11)
USB port
Connects optional USB devices.
Display
Component
Description
(1)
WLAN antennas (2)
Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
(2)
Internal microphone
Records sound.
12
Chapter 2
External component identification