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If your computer is unresponsive, you can turn off the computer by pressing and holding the power button
for four or more seconds. If the computer cannot be turned off, see "Computer stops responding" on page
70.
You also can define what the power button does. For example, by pressing the power button, you can turn
off the computer or put the computer into sleep or hibernation mode. To change what the power button
does, do the following:
1. Go to Control Panel, and then change the view of Control Panel from Category to Large icons or Small
icons.
2. Click Power Options ➙ Choose what the power buttons do.
3. Follow the instructions on the screen.
4
Fingerprint reader (available on some models)
Fingerprint authentication provides simple and secure user access by associating your fingerprint with a
password. For more information, see "Using the fingerprint reader" on page 46.
®
ThinkPad
pointing device
5
TrackPoint pointing stick
6
TrackPoint buttons
7
Trackpad
Your computer is equipped with the Lenovo-unique ThinkPad pointing device. For more information, see
"Using the ThinkPad pointing device" on page 20.
Left-side view
1
Power connector
3
USB-C connector
5
USB 3.0 connector
1
Power connector
The power connector enables you to connect the computer to ac power.
2
Fan louvers
The fan louvers and internal fan enable air to circulate in the computer to ensure proper cooling, especially
the cooling of the microprocessor.
Note: To ensure proper airflow, do not place any obstacles in front of the fan louvers.
3
USB-C connector
The USB-C connector supports the latest USB 3.1 standard. With a proper USB-C adapter connected, you
can:
• Transfer data between your computer and peripheral devices.
• Charge your computer.
• Charge your peripheral devices.
2
A275 User Guide
2
Fan louvers
4
HDMI™ connector
6
Smart-card slot (available on some models)
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