Lenovo ThinkPad E550 User Manual page 20

ThinkPad pointing device
6
TrackPoint pointing stick
11 TrackPoint buttons (available on some models)
12 Trackpad
The keyboard contains the Lenovo unique ThinkPad pointing device. 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 22.
7 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 17.
If your computer is completely 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 83 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, 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.
8 Numeric keypad
Use the numeric keypad to input numbers quickly.
9 System-status indicator
The illuminated dot on the ThinkPad logo functions as a system-status indicator. For more information, see
"Status indicators" on page 9.
10 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.
13 Media-card slot
Your computer has a media-card slot. Insert your flash media card into the media-card slot to read the data
on the card. For more information, see "Using a flash media card" on page 39.
14 Speakers
Your computer is equipped with a pair of stereo speakers.
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User Guide