Lenovo ThinkPad X280 User Manual page 20

5
Power button
7 ®
TrackPoint buttons
9
NFC mark (available on some models)
11
Multi-touch screen (available on some models)
1
Infrared camera (available on some models)
The infrared camera provides a personal and secure way for you to sign in to your computer with face
authentication. After setting the infrared camera for face authentication, you can unlock your computer by
scanning your face instead of using a password. For more information, see "Using the cameras" on page 30.
2
Conventional camera (available on models with the infrared camera)
The conventional camera enables you to take pictures or hold a video conference. It also works with the
infrared camera for face authentication. For more information, see "Using the cameras" on page 30.
3
Microphones
The microphones capture sound and voice when used with a program capable of handling audio.
4 Conventional camera with camera shutter (available on some models)
The camera enables you to take pictures or hold a video conference. You can use the camera shutter to
cover (slide to the right) or unveil (slide to the left) the camera lens. For more information, see "Using the
cameras" on page 30.
5 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
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.
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 56.
ThinkPad pointing device
7 TrackPoint buttons
8 Trackpad
10 TrackPoint pointing stick
2
X280 User Guide
6
Fingerprint reader (available on some models)
8
Trackpad
10
TrackPoint pointing stick
Power, and then click Shut down.