Lenovo ThinkPad Edge E420 1141 User Manual page 23

3 Built-in microphone
The built-in microphone captures sound and voice when it is used with an application program capable
of handling audio.
5 Numeric keypad
Your computer has a numeric keypad that can be used to quickly input numbers.
6 Power switch
Use the power switch to turn on the computer. To turn off your computer, use the Start menu shutdown
options.
If you cannot turn off the computer by this method, press and hold the power switch for 2 seconds.
If your computer stops responding, and you cannot turn it off, press and hold the power switch for 4 seconds
or more. If the system is still not reset, remove the ac power adapter and the battery.
The power switch can also be programmed via Power Manager to shut down the computer or put it into
sleep (standby) or hibernation.
7 Fingerprint reader
Your computer may have an integrated fingerprint reader. It enables you to log on to your computer by
using your fingerprint without typing any passwords.
For details, refer to the instructions in "Using a fingerprint reader" on page 65.
8 System-status indicators (illuminated ThinkPad logo)
The illuminated dot in the ThinkPad logo works as a system-status indicator showing whether the computer
is in sleep (standby), hibernation, or normal mode.
For details, refer to the instructions in "System-status indicators" on page 12.
9
Built-in stereo speaker (right)
15 Built-in stereo speaker (left)
The stereo speakers are built into your computer.
For details, refer to the instructions in "Thinkpad Edge E520 special keys" on page 28.
10 Bluetooth antenna
If your computer has integrated bluetooth features, refer to "Using Bluetooth" on page 42 for more
information.
UltraNav
11 TrackPoint pointing stick
12 TrackPoint buttons
13 Touch pad buttons
14 Touch pad
The keyboard contains the unique TrackPoint pointing device. Pointing, selecting, and dragging are all part
of a single process that you can perform without moving your fingers from typing position.
Move your fingertip across the UltraNav touch pad to move the pointer.
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Chapter 1 Product Overview
5