Lenovo ThinkStation P310 User Manual page 14

1 Optical-drive eject/close button
Used to eject the tray of the optical drive out of the drive. After you insert a disc into the tray, press the
eject/close button to close the tray.
2 Power indicator
Used to indicate the power status. If your computer is unresponsive, you can turn off the computer by
pressing and holding the power button for four or more seconds.
3
Power button
Used to turn on your computer. You can use the power button to turn off your computer only when you
cannot use any Windows shutdown procedure to turn off your computer.
4
Hard-disk-drive activity indicator
Used to indicate the status of the internal storage drives (such as hard disk drives or solid-state drives).
When the indicator is on, the storage drives are ready for use, or data is being transmitted. When the
computer is on but the indicator is off, the storage drives do not work properly or other problems occur.
5 8 USB 3.0 connector
Used to connect a USB-compatible device, such as a USB keyboard, mouse, storage drive, or printer.
6 Microphone connector
Used to connect a microphone to your computer. You can use the microphone to record sounds through
speech-recognition software.
7 Headphone connector
Used to connect a headphone to your computer. You can use the headphone to listen to the sounds from
your computer without disturbing others.
9 Card reader
Used to insert a supported card-shaped storage medium to read the data on the medium.
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ThinkStation P310 User Guide