Lenovo THINKCENTRE M810z 10NX, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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Overview 6
8
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® Windows® shutdown procedure to turn off
your computer.
9
Microphone-mute button
Used to mute or unmute the microphones.
10
Brightness-down control
Used to decrease the brightness.
11
Brightness-up control
Used to increase the brightness.
12
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.