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7 USB 3.0 connector
Connect a USB 1.1, 2.0, or 3.0 device, such as a USB printer or a digital camera.
Note: When you attach a USB cable to the connector, make sure that the USB mark is facing upward.
Otherwise the connector might be damaged.
1 2 3 4 5 6
Figure3. Lenovo B575e left-side view
1 Security keyhole 4 VGA port
2 ac power connector
5 HDMI port
3 Fan louvers
6 USB 3.0 connector
1 Security keyhole
Purchase a security cable lock that ts this keyhole to lock your computer to a stationary object to protect
your computer from theft. For more information, refer to “Attaching a mechanical lock” on page 29.
2 ac power connector
The ac power adapter cable connects to the computer ac power connector to provide power to the
computer and charge the battery. For more information, refer to “Using the ac power adapter and the
battery pack” on page 15.
3 Fan louvers
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airow, do not place any obstacle in front of the fan.
4 VGA port
Connect your computer to external display devices.
5 HDMI port
Use the high-denition multimedia interface (HDMI) port to connect a compatible digital audio device or
video monitor such as a high-denition television (HDTV).
6 USB 3.0 connector
Connect a USB 1.1, 2.0, or 3.0 device, such as a USB printer or a digital camera.
Note: When you attach a USB cable to the connector, make sure that the USB mark is facing upward.
Otherwise the connector might be damaged.
4 User Guide