Lenovo C205 User manual

Version 2.0
Machine type: 10063/7729
2010.11
Lenovo
C2 Series
User Guide
31046784

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 2010.

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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 view of the computer .........................................3
1.3 Rear view of the computer.......................................................4
1.4 Computer stand ......................................................................5
1.5 Connecting your computer ......................................................6
1.6 Important information about using the computer ...................10
1.7 Keyboard and Mouse (wired) .................................................11
Chapter 2 Touch Screen Instructions ................................... 13
2.1 Method of touch screen calibration........................................14
2.2 Normal operation...................................................................15
Chapter 3 Using the Rescue System .................................... 17
3.1 OneKey Recovery..................................................................18
3.2 Driver and Application Installation ..........................................18
3.3 System Setup........................................................................19
3.4 System Backup .....................................................................20
3.5 System Recovery ..................................................................20
3.6 Create Recovery Disc ............................................................20
Chapter 4 Using the Computer Software ............................. 21
4.1 Lenovo Dynamic Brightness system ......................................22
4.2 Lenovo Eye Distance System ................................................23

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Chapter 5 Troubleshooting and Confirming Setup.............. 25
5.1 Troubleshooting Display Problems .........................................26
5.2 Troubleshooting Audio Problems ...........................................27
5.3 Troubleshooting Software Problems.......................................27
5.4 Troubleshooting Problems with Optical Drives and
Hard Disks.............................................................................28
5.5 Special considerations for troubleshooting Windows .............29
5.6 Performing Daily Maintenance Tasks......................................30

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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
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6 7 8 93 4 5
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Built-in microphone
Camera
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.)
Brightness down
Brightness up
LCD ON/OFF
Power button

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User Guide
1.2 Left and right view of the computer
Attention: Be sure not to block any air vents on the computer. Blocked
air vents may cause thermal problems.
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Memory card reader Microphone connector
USB ports (2) Optical drive slot
Headphone connector

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1.3 Rear view of the computer
USB ports (3) PS/2 keyboard connector
Ethernet connector Power connector
TV tuner port (selected models)

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User Guide
1.4 Computer stand
20°
5°
Use the stand to position the display to your preference.It can be adjusted from 5˚
forward to 20˚ backward.
The stand provides stability to the computer; it is not a removable part.
Attention: The computer stand must remain installed at all times to
ensure maximum system stability.

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1.5 Connecting your computer
Use the following information to connect your computer:
• Lookforthesmallconnectoriconsonthebackofyourcomputer.Matchthe
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 keyboard cable to the appropriate keyboard
connector (PS2 connector or USB connector).
1.5.3 Connect the mouse cable to the appropriate mouse
connector (USB connector).

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1.5.4 If you have audio devices, attach them using the
following instructions:
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Microphone Use this connector to attach a microphone (purchased separately)
to your computer when you want to record sound or if you use
speech-recognition software.
Headphone Use this connector to attach headphones (purchased separately)
to your computer when you want to listen to music or other
sounds without disturbing anyone.
1.5.5 If you have powered speakers with an adapter:
(This picture is only a sketch print, it does not show the actual figure of the speaker)
a. Connect the cable that runs between the speakers if necessary. On some
speakers, this cable is permanently attached.
b. Connect the adapter cable to the speaker if necessary. On some speakers, this
cable is permanently attached.
c. Connect the speakers to the Headphone port on the computer.
d. Connect the adapter to the power source.

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1.5.6 If you have powered speakers without an adapter:
(This picture is only a sketch print, it does not show the actual figure of the speaker)
a. Connect the cable that runs between the speakers if necessary. On some
speakers, this cable is permanently attached.
b. Connect the cable to the speaker if necessary. On some speakers, this cable is
permanently attached.
c. Connect the speakers to the Headphone port on the computer.
d. Connect the plug to the power source.
Note: Some models are not equipped with external speakers.
1.5.7 Connect any additional devices that you have. Your
computer might not have all connectors shown.
123 4
TV IN
USB connector Use this connector to attach a device that requires a
USB connection.
Network adapter
connector
Use this connector to attach the computer to an
ethernet-type local area network

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User Guide
TV-Tuner connector
(IEC type)
Only supported on systems with optional TV
tuner card (Some models are equipped with this
connector).
TV antenna
connector (F type)
To connect the signal input cable for CATV (Some
models are equipped with this connector).
1.5.8 Connect the power cords properly to grounded electrical
outlets.
1. Plug the power adapter cord into the back of the computer.
2. Plug the power cord into the AC adapter.
3. Plug the power cord into an AC power source.

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1.5.9 If your computer is equipped with a Memory Card Reader
Connector, it is able to read/write data from:
MS/MS Pro/MMC/SD/SDHC
1.6 Important information about using the computer
Press the power button on the bottom right of the screen to turn on the computer.
Hold the computer tightly when you carry it.

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User Guide
1.7 Keyboard and Mouse (wired)
LVT
LVT
LVT —— After entering Windows, press this key to launch the LVT (Lenovo
Vantage Technology) program, Lenovo’s pre-loaded Home PC software.
In addition to its own functions, the LVT program will allow you to start
other Windows compatible software, specially configured to run on this
model of computer.
Notes:
• SomemodelsarenotequippedwiththeLVTprogram.
• TheLVTkeyonthekeyboardisdisabledinthemodels
withouttheLVTprogram.
F2 —— Your computer has the Lenovo Rescue System installed.To learn more
about this program, repeatedly press and release the F2 key once
turning on the computer until the Lenovo Rescue System open.

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Chapter
Touch Screen Instructions
This chapter contains the following
topics:
Method of touch screen calibration
Normal operation
Attention: Only some models are
equipped with touch screen.
User Guide 13

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A touch screen is a computer display screen that is also an input device. The
screens are sensitive to pressure; allowing a user to interact with the computer by
touching pictures or words on the screen.
Attention:
• Thiscomputerisequippedwitharesistivetouchscreenpanelcoated
with a thin metallic electrically conductive and resistive layer that
causes a change in the electrical currents that are registered as touch
events and sent to the controller for processing. The resistive layer can
be damaged by sharp objects.
• Touchtheresistivetouchscreenwithyourngersonly.Donotusea
stylus to touch the resistive touch screen panel.
• Thecursormaynotmovequicklywhenitisdragged.
• ThetouchscreendoesnotfunctioninRescueSystemmode.
2.1 Method of touch screen calibration
Note: The touch screen must be calibrated prior to use.
1. Click Start →All programs →IdeaCom TSC to launch the touch screen
calibration program.
2. Select a number of calibration points.
3. Touch the graphical target on the screen to calibrate the touch screen according
to the prompt information.

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Note:
1. The more calibration points, the higher your touch accuracy.
2. Recalibratethetouchscreenwhenitisinaccurate.
3. To clean the touch screen thoroughly, shut down the computer and
wipe the screen gently with a soft dry cloth.
2.2 Normal operation
Once the calibration sequence is complete, you are ready to begin normal
operation and start sending touch events to the higher-level software.
1. A single touch on the screen will perform actions similar to the actions
performed by clicking the left mouse button.
2. Press your finger to the screen until a circle appears to perform actions similar
to the actions performed by clicking the right mouse button. A menu bar will
pop-up after lifting your finger from the touch screen.