Lenovo ThinkCentre M800 User Manual page 12

• Card reader slot
Used to hold a card-shaped storage medium so that the card reader can read the data on the storage
medium.
• Headphone connector
Used to connect headphones to your computer.
• Microphone connector
Used to connect a microphone to your computer. You can use the microphone to record sounds or use
speech-recognition software.
• Optical drive eject/close button
Used to eject the tray of the optical drive from the drive. After you insert a disc into the tray, press
the eject/close button to close the tray.
• Optical drive activity indicator
When the optical drive activity indicator is on, the optical drive is in use.
• Power button
Used to turn on your computer. You also can use the power button to turn off your computer only when
you cannot use any Microsoft
• Storage drive activity indicator
When the storage drive activity indicator is on, the storage drives are in use.
• USB 2.0 connector
Used to connect a device that requires a USB 2.0 connection, such as a keyboard, a mouse, a scanner, a
printer, or a personal digital assistant (PDA).
• USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0 connection, such as a keyboard, a mouse, a
scanner, a printer, or a PDA.
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ThinkCentre M800 and M900 User Guide
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Windows shutdown procedure to turn off your computer.