ThinkPad S540, Руководство пользователя

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5
Numeric keypad
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Screen (multi-touch screen on some models)
6
Fingerprint reader (on some models)
1 Camera
Use the camera to take pictures or hold a video conference. For details, see “Using the camera” on page 39.
2 Microphones
The built-in microphones capture sound and voice when used with an application program capable of
handling audio.
3 Fan louvers
The fan louvers and internal fan enable air to circulate in the computer and ensure proper cooling, especially
the cooling of the microprocessor.
Notes:
• The fan louvers are located behind the hinge.
• To ensure proper airflow, do not place any obstacles in front of the fan louvers.
4 Power button
Use the power button to turn on the computer.
To turn off the computer, use the Start menu shutdown option on the Microsoft
®
Windows
®
7 operating
system. For the Microsoft Windows 8 operating system and Microsoft Windows 8.1 operating system,
move the pointer to the top-right or bottom-right corner of the screen to bring up the charms. Then click
Settings ➙ Power ➙ Shut down .
If your computer stops responding and you cannot turn it off, press and hold the power button for four
seconds or more. If the computer still is not responding, remove the ac power adapter or the supported
ThinkPad OneLink Dock and reset the computer by inserting a needle or a straightened paper clip into the
emergency-reset hole to turn off the computer. To locate the emergency-reset hole, see “Bottom view”
on page 6.
You also can program the power button so that by pressing the power button you can shut down the
computer or put it into sleep or hibernation mode. To achieve this, you need to change your power plan
settings. To access power plan settings, do the following:
• For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions
on how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7
operating system” on page 14
• For Windows 8 and Windows 8.1: Go to the desktop. Right-click the battery-status icon in the Windows
notification area and click More power options ➙ Choose what the power button does .
5 Numeric keypad
Your computer has a numeric keypad that can be used to quickly input numbers.
6 Fingerprint reader (on some models)
Fingerprint authentication technology provides a simple and secure user access by associating your
fingerprint with a password. For more information, see “Using the fingerprint reader” on page 52.
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User Guide