2
Microphones (on some models)
The microphones capture sound and voice when used with a program capable of handling audio.
3
Power button
Press the power button to turn on the computer or put the computer into sleep mode. For how to turn off the
computer, see "Frequently asked questions" on page 23.
If your computer stops responding and you cannot turn it off, press and hold the power button for four
seconds or more. If the computer still is not responding, remove the ac power adapter and the battery
to reset the computer.
You also can program the power button so that by pressing the power button you can turn off the computer
or put the computer into sleep or hibernation mode. To achieve this, you need to change your power plan
settings. To access power plan settings, do the following:
1. Go to Control Panel, 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 (on some models)
Fingerprint authentication technology provides simple and secure user access by associating your fingerprint
with passwords. For more information, see "Using the fingerprint reader" on page 65.
ThinkPad pointing device
5
TrackPoint pointing stick
6
ThinkPad trackpad
The keyboard contains the Lenovo unique ThinkPad pointing devices. Pointing, selecting, and dragging are
all part of a single process that you can perform without moving your fingers from a typing position. For
more information, see "Using the ThinkPad pointing device" on page 28.
ThinkPad L440 right-side view
Figure 2. ThinkPad L440 right-side view
2
User Guide