Asus R552LF - Manual (Page 23)

Notebook PC E-Manual 3
Left Side
Power (DC) input port
Insert the bundled power adapter into this port to charge the
battery pack and supply power to your Notebook PC.
WARNING! The adapter may become warm to hot while in use.
Do not cover the adapter and keep it away from your body while
it is connected to a power source.
IMPORTANT! Use only the bundled power adapter to charge
the battery pack and supply power to your Notebook PC.
Subwoofer jack port
The subwoofer jack port is used to connect the subwoofer
(optional) to your Notebook PC.
LAN port
Insert the network cable into this port to connect to a local area
network.
HDMI port
This port is for the HDMI (High-Definition Multimedia Interface)
connector and is HDCP compliant for HD DVD, Blu-ray, and
other protected content playback.