4 Power button
Press the power button to turn on the computer or put the computer into sleep mode.
To turn off the computer, open the Start menu and click
Power, and then click Shut down.
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
80 for more information.
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.
5 Numeric keypad
The numeric keypad enables you to quickly input numbers.
6 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 60.
7 NFC mark (available on some models)
Near field communication (NFC) is a high-frequency and short-range wireless communication technology. By
using NFC, you can establish radio communications between your computer and another NFC-enabled
device over a few centimeters or inches. For more information, see “Using the NFC devices” on page 34.
ThinkPad pointing device
8 Trackpad
9 TrackPoint buttons
10 TrackPoint pointing stick
Your computer is equipped with the Lenovo-unique ThinkPad
®
pointing device. For more information, see
“Using the ThinkPad pointing device” on page 26.
11 Multi-touch screen (available on some models)
The multi-touch screen enables you to use your computer with simple touch gestures. For more information,
see “Using the multi-touch screen” on page 20.
4
L480 and L580 User Guide
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