Lenovo IdeaPad U400 - Manual (Page 10)

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Chapter 1. Getting to know your computer
RJ-45 port This port connects the computer to an Ethernet network.
Note: For details, see “Wired connection (U300/U400)” on page 21.
Headphone mic
combo jack Connects to the headset.
Attention:
•
Listening to music at high volume over extended periods of time may damage your hearing.
AC power adapter
jack
Connect the AC adapter here.
Note: For details, see “Using AC adapter and battery” on page 12.
Optical drive
Your computer comes with an optical drive, such as a CD/DVD drive.
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