Lenovo IdeaPad U400 - Manual (Page 8)

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Chapter 1. Getting to know your computer
Headphone mic
combo jack
Connects to the headset.
Attention:
•
Listening to music at high volume over extended periods of time may damage your hearing.
Fan louvers
Dissipate internal heat.
Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur.
RJ-45 port
This port connects the computer to an Ethernet network.
Note: For details, see “Wired connection (U300/U400)” on page 21.
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