Lenovo C225 Bedienungsanleitung
Version 1.0
Machine type: 10075/3078
10076/3079
10077/3094
10078/3095
2011.06
Lenovo
C2/C3 Series
User Guide
31500064
Important Safety Information
Before using this manual, it is important that you read and understand all of the
related safety information for this product. Refer to the Safety and Warranty Guide
that you received with this product for the latest safety information. Reading and
understanding this safety information reduces the risk of personal injury or damage
to your product.
Danger: Be aware of extremely hazardous or lethal situations.
Attention: Be aware of possible damage to programs, devices, or data.
Note: Pay attention to this important information.
© Copyright Lenovo 2011.
1
Contents
Contents
Important Safety Information
Chapter 1 Using the Computer Hardware.............................. 1
1.1 Front view of the computer......................................................2
1.2 Left and right views of the computer........................................3
1.3 Rear view of the computer.......................................................4
1.4 Computer stand ......................................................................4
1.5 Connecting your computer ......................................................5
1.6 Important information about using the computer .....................8
1.7 Wired keyboard .......................................................................9
Chapter 2 Touch screen user instruction ............................. 11
2.1 Touch Screen Calibration.......................................................12
2.2 User Gesture Instructions for the Touch screen......................13
2.3 Attentions when using the Touch Screen ...............................21
Chapter 3 Using the Rescue System .................................... 23
3.1 OneKey Recovery..................................................................24
3.2 Driver and Application Installation ..........................................24
3.3 System Setup........................................................................25
3.4 System Backup .....................................................................26
3.5 System Recovery ..................................................................26
3.6 Create Recovery Disc ............................................................26
Chapter 4 Using the Computer Software ............................. 27
4.1 Lenovo Dynamic Brightness system ......................................28
4.2 Lenovo Eye Distance System ................................................29
2Contents
Chapter 5 Troubleshooting and Confirming Setup.............. 31
5.1 Troubleshooting Display Problems .........................................32
5.2 Troubleshooting Audio Problems ...........................................33
5.3 Troubleshooting Software Problems.......................................33
5.4 Troubleshooting Problems with Optical Drives and
Hard Disks.............................................................................34
5.5 Special considerations for troubleshooting Windows .............35
5.6 Performing Daily Maintenance Tasks......................................36
1
2
3
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5
Chapter
This chapter contains the following
topics:
Computer hardware introduction
Information on computer connections
Note: The descriptions in this chapter might
vary from your computer, depending on
computer models and configurations.
User Guide 1
Using the Computer Hardware
2User Guide
1.1 Front view of the computer
Built-in microphone
Camera
Power button
Built-in IR receiver (Only functional on models equipped with a IR receiver
module)
Hard disk drive indicator
Wireless LAN card indicator
LCD ON/OFF indicator (When turning on the LCD, the indicator light will be
off; when turning off the LCD, the indicator light will be solid on.)
Menu button
Direction button
Direction button
LCD ON/OFF
3
User Guide
1.2 Left and right views of the computer
Attention: Be sure not to block any air vents on the computer. Blocked
air vents may cause thermal problems.
Memory card reader Microphone connector*
USB ports (2) Optical drive
Headphone connector
* Microphone connector:
The built-in speakers can be used independently without starting the computer so long as the power cord
is plugged in. Connect an external audio device (e.g., MP3 player) to the microphone connector with a
3.5mm audio cable. You can adjust the volume on the external audio device.
4User Guide
1.3 Rear view of the computer
Ethernet connector TV tuner port
USB ports (4) Power connector
1.4 Computer stand
Use the stand to position the display to your preference.It can be adjusted from 5˚
forward to 25˚ backward.
The stand provides stability to the computer; it is not a removable part.
5
User Guide
Attention: The computer stand must remain installed at all times to
ensure maximum system stability.
1.5 Connecting your computer
Use the following information to connect your computer:
• Lookforthesmallconnectoriconsonthebackofyourcomputer.Matchthe
connectors to the icons.
Note: Your computer might not have all of the connectors that are
described in this section.
1.5.1 Check the voltage rating before you connect the
equipment to an electrical outlet to ensure that the
required voltage and frequency match the available
power source.
If your computer uses an AC adapter:
Note: Use only the Lenovo provided AC adapter approved for use with this
device. Use of another AC adapter may cause a fire or explosion.
1.5.2 Connect the USB keyboard and mouse to the USB
connectors.
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