Lenovo S400z User Manual page 12

• Integrated camera activity indicator
When the indicator is on, the camera is in use.
• Integrated camera shield control slider
Used to disable the integrated camera physically.
• Integrated microphone
Used to record sounds or use speech-recognition software without using a microphone.
• Optical drive activity indicator
When the indicator is on, the optical drive is in use.
• 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.
• 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
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Lenovo S400z and S405z User Guide
® ®
Windows shutdown procedure to turn off your computer.