Base

P43s, T490 (20N2, 20N3, 20RX, 20RY)

The illustration of the base view

T490 (20Q9, 20QH)

The illustration of the base view

P53s, T590

The illustration of the base view

1. Power button	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 in the power button shows the system status of your computer. Blinking for three times: The computer is initially connected to power. On: The computer is on. Off: The computer is off or in hibernation mode. Blinking rapidly: The computer is entering sleep or hibernation mode. Blinking slowly: The computer is in sleep mode.
2. Numeric keypad	Quickly input numbers.
3. Fingerprint reader*	Log in to your computer with enrolled fingerprints. See Use the fingerprint reader (for selected models).
4. Trackpad	Perform finger touch and all the functions of a traditional mouse. See Use the trackpad.
5. NFC label*	Your computer supports NFC (near field communication). You can share information with another NFC-enabled device. See Set up a NFC connection.
6. TrackPoint^® pointing device	Perform all the functions of a traditional mouse. See Use the TrackPoint pointing device.
7. Speakers	Enable you to experience high-quality sound.
8. RFID label*	If your computer comes with an integrated dual-band RFID (Radio Frequency Identification) reader, you will see an RFID label. See Use RFID reader (for selected models of T490).

* for selected models

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