Base

Figure 1. Base view—15-inch models

The illustration of the Base view–15-inch models

Figure 2. Base view—17-inch models

The illustration of the Base view–17-inch models

1. Charging light	Indicate whether the computer is connected to ac power. Solid white: Connected to ac power; battery capacity 91%–100% Solid amber: Connected to ac power; battery capacity 1%–90% Off: Not connected to ac power
2. Power button	Press the button to turn on the computer or put the computer into sleep mode. Note: You can turn on the computer by flipping open the LCD screen if Flip to Boot is enabled.
3. Power light	Indicate the power status of the computer. The color of the power light also reflects the currently activated performance mode. Refer to Set performance mode for how to switch performance modes. Solid on: The computer is turned on. White: in balance mode Red: in performance mode Blue: in quiet mode Blinking: The computer is in sleep mode. Off: The computer is turned off or in hibernation mode.
4. Numeric keypad	To enable or disable the numeric keypad, press the Num Lock key.
5. Wireless antennas	Send and receive radio waves for the built-in wireless LAN (local area network) and Bluetooth module. Note: The antennas are not visible from the outside of the computer. If the location of the antennas is close to the user’s body (< 20 cm), you can find the Specific Absorption Rate (SAR) values in the Setup Guide that comes with your computer.
6. Touchpad	Perform finger touch and all the functions of a traditional mouse. Note: The touchpad also supports multi-touch function.
7. Keyboard	Enter characters and interact with programs. Note: The keyboard also includes hotkeys and function keys for changing settings and performing tasks quickly.

<© Copyright Lenovo 2021.>