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• If you are using a headset with a function switch, for example, a headset for a mobile digital device, do
not press this switch while using the headset. If you press it, the headset microphone will be disabled,
and the integrated microphones on the computer will be enabled instead.
• The combo audio jack does not support a conventional microphone. For more information, see “Using
audio features” on page 35.
3 High Denition Multimedia Interface (HDMI) port
A digital audio and video interface that can connect a compatible digital audio device or video monitor,
such as a DVD player or a digital television (DTV).
4 USB 3.0 connector
The Universal Serial Bus (USB) 3.0 connector is used for connecting devices compatible with a USB
interface, such as a USB printer or a digital camera.
Attention: When you attach a USB cable to connector, ensure that the USB mark is facing upward.
Otherwise the connector might be damaged.
5 Security-lock slot
To protect your computer from theft, purchase a security cable lock, usually a Kensington-style cable lock,
that ts this security-lock slot to lock your computer to a stationary object.
Left-side view
Figure 3. Left-side view
Note: Your computer might look slightly different from the illustration above.
1 ac power connector
3 Ethernet connector
2 Lenovo OneLink connector 4 Always On USB connector (USB 3.0)
4 User Guide