Lenovo C20 Series User manual

Machine type: F0B2 [C20-30]
F0B3 [C20-05]
Lenovo
C20 Series
User Guide
Version 1.0 2014.08
SP40G36984

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 product
damage.
The interface and functions shown in this User Guide are provided for reference
only and may differ from actual product appearance. Product design and
specifications may be changed without notice.
Danger: Be aware of extremely hazardous or potentially lethal situations.
Attention: Be aware of possible damage to programs, devices, or data.
Note: Pay attention to this important information.
© Copyright Lenovo 2014. All rights reserved.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered
pursuant a General Services Administration “GSA” contract, use, reproduction,
or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

i
Contents
Contents
Important Safety Information
Using the Computer Hardware ................................................. 1
Front view of the computer.........................................................................2
Left and right views of the computer ..........................................................3
Rear view of the computer .........................................................................4
Computer stand .........................................................................................5
Basic connector instructions ......................................................................5
Connecting your computer.........................................................................6
Important information about using the computer ........................................7
Connecting to the Internet..........................................................................8
Wired keyboard (selected models only) ......................................................9
Using Windows 8.1 ................................................................... 11
Switching between the main Windows 8.1 interfaces ...............................12
The Charms Bar.......................................................................................12
Shutting down the computer....................................................................12
Switching between apps ..........................................................................13
Closing an app.........................................................................................13
Opening other system programs ..............................................................13
Windows Help and Support .....................................................................13
Touch screen instructions ....................................................... 15
Touch Screen Calibration..........................................................................16
User Gesture Instructions for the Touch screen ........................................16
Precautions when using the Touch Screen ...............................................21

ii Contents
Using the Rescue System........................................................ 23
OneKey Recovery ....................................................................................24
Driver and Application Installation .............................................................25
Using the Software................................................................... 27
Lenovo Support .......................................................................................28
Troubleshooting and Confirming Setup ................................. 29
Troubleshooting Display Problems............................................................30
Troubleshooting Touch screen..................................................................31
Troubleshooting Audio Problems ..............................................................31
Troubleshooting Software Problems .........................................................32
Troubleshooting Problems with Optical Drives and Hard Disks .................33
Special considerations for troubleshooting Windows ................................34
Windows Help and Support .....................................................................34
BIOS setup utility......................................................................................34
Performing Daily Maintenance Tasks ........................................................35
Appendix. .................................................................................. 37
Declaration...............................................................................................37
Trademarks ..............................................................................................38
Energy Star Statement .............................................................................38
Enabling ErP compliance mode................................................................39
Electronic emissions notices .................................................. 40
Mexico regulatory notice......................................................... 41

User Guide 1
This chapter contains the following
topics:
Introduction to the computer hardware
Information on computer connections
Note: The descriptions in this chapter might be
different from what you see on your computer,
depending on the computer model and
configuration.
Using the Computer Hardware

2User Guide
Front view of the computer
Attention: Be careful not to block any air vents on the computer. Blocked
air vents can cause overheating.
1 2 3
Built-in microphone Camera LED indicator
Built-in camera

3
User Guide
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.
17
8
2
5
3
4
6
Hard disk drive indicator USB 3.0 connector
Headphone connector Microphone connector
USB 2.0 or 3.0 connector Memory card reader
Optical drive eject button Power button

4User Guide
Rear view of the computer
2 3 4 51
6
6
Security cable slot Power connector
Ethernet connector HDMI-out connector
(selected models only)
USB 2.0 connectors (2) Air vents

5
User Guide
Computer stand
15º
36º
Use the stand to position the display to your preference. It can be rotated between
15° and 36° from the vertical.
Basic connector instructions
Note: Your computer may not have all of the connectors described in this
section.
Connector Description
Microphone Use this connector to attach a microphone to your
computer when you want to record sound or if you use
speech-recognition software.
Headphone Use this connector to attach headphones to your
computer when you want to listen to music or other
sounds without disturbing anyone.
USB connector Use this connector to attach a device that requires a USB
connection.