User's Guide

Base
3
2
1
4
1. Power button (with power
indicator)
Press to turn on the computer or put the computer to sleep mode.
To turn off the computer, open the Start menu, click
Power, and then select Shut
down.
The indicator on the power button shows the system status of your computer.
• Solid white/Solid amber: The computer is on.
• Off: The computer is off or in hibernation mode.
• Blinking slowly: The computer is in sleep mode.
2. Numeric keypad
To enable or disable the numeric keypad, press the Num Lock key.
Note: If the Num Lock light is on, the numeric keypad is in use.
3. Fingerprint reader*
Log in to your computer with enrolled fingerprints. See “Use the fingerprint reader (for
selected models)” on page 21.
4. Touchpad Performs finger touch and all the functions of a traditional mouse.
* for selected models
2
Lenovo IdeaPad S540-15IWL User Guide