Chapter 1. Meet Your Computer; Front - Lenovo ThinkStation P620 User Manual

Chapter 1. Meet your computer

Front

1. Optical drive eject button*
2. Optical drive activity indicator*
3. Power button
4. Power indicator
5. Storage drive activity indicator
6. Photoelectric sensor*
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Eject the optical drive tray.
This indicator is on when the optical drive is in use.
Press to turn on the computer.
To turn off the computer, open the system menu, click the power icon
then select Power Off.
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.
This indicator is on when the computer is turned on.
This indicator is on when the storage drive is in use.
This sensor receives the flash light sent by the Lenovo PC Diagnostics application
installed in the smartphone. Then, the photoelectric sensor triggers the computer
to send the tune of the detected error to the smartphone for users to decode the
error.
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