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Lenovo 10086, 3109, 4743 K430 9, The congurations are as followings:

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User Guide

4. 7.1 surround sound can be used once this conﬁguration procedure is complete.

Note: If the audio conﬁguration interfaces above are different from

those on your computer, you may use the above steps as a reference to

conﬁgure the 7.1 surround sound audio device system in your actual audio

conﬁguration interface and read the electronic Help information for further

assistance.

1.5 5.1 Audio conﬁguration instructions(This instruction is only for the pc model which mainboard supports audio transforming from 2.0 stereo to 5.1 surround.)

This model of computer supports transforming stereo sound into 5.1 surround

sound.

Use the following guides when connecting to the 5.1 surround audio device:

Front channel

Surround

Center-LEF

Blue line-in connector

Green line-out connector

Pink Mic-in connector

The conﬁgurations are as followings:

1. Right click the Sound icon in system property bar and select sounds option to

setup the sounds in the pop-up dialog box.

2. Select a playback device from the playback dialog box, and then click conﬁgure

button to conﬁgure it.

3. Select 5.1 surround from audio channels in the pop-up speaker setup dialog

box to proceed with the speaker setup by following as prompted.

4. After the conﬁguration, 5.1 surround can be used.

Contents

Main Important Safety Information Page Contents Important Safety Information Chapter 1 Using the Computer Hardware ..............................1 Chapter 2 Using the Rescue System .................................... 19 Chapter 3 Troubleshooting and Conrming Setup ..............23 Page Using the Computer Hardware 2 1.1 Front view of the chassis 1.2 Rear view of the chassis 4 Page 6 1.3 Connecting your computer 1.3.2 Basic connector instructions Page 8 1.4 7.1 Audio conguration instructions Sound conguration is as follows: 9 Front channel Surround Center-LEF The congurations are as followings: 1.6 Connect the power cords properly to grounded electrical outlets 1.7 How to play Blu-ray Discs (selected models only) 1.8 Wired keyboard (selected models only) 1.9 Hot-swappable hard disk (selected models only) Page Page 14 1.10 Power Control Switch (selected models only) Page 16 Page 18 Chapter Using the Rescue System This chapter contains the following topics: 20 Note about the service partition: 2.1 OneKey Recovery 2.2 Driver and Application Installation Method 1: Automatic Installation Method 2: Manual Installation 2.3 System Setup 2.3.1 Launch 2.3.2 Network Settings 22 2.3.3 Password Management 2.4 System Backup 2.5 System Recovery 2.6 Create Recovery Disc Page 24 Solving Problems 3.1 Troubleshooting Display Problems 3.2 Troubleshooting Audio Problems 3.3 Troubleshooting Software Problems 26 3.4 Troubleshooting Problems with Optical Drives and Hard Disks 3.5 Special considerations for troubleshooting Windows 28 3.6 Performing Daily Maintenance Tasks Hardware Replacement Guide This chapter contains the following topics: Chapter 30 Overview Safety information for replacing CRUs Additional information resources Tools required 32 Handling static-sensitive devices 4.1 Locations 4.1.1 Identifying internal components 34 4.1.2 Identifying parts on the system board Page 36 37 4.2 Replacing hardware 4.2.1 General information Pre-disassembly instructions 38 4.2.2 Removing the computer cover To remove the computer cover: 4.2.3 Removing the front bezel 40 4.2.4 Replacing a memory module To replace a memory module: 4.2.5 Replacing a hard disk drive 42 4.2.6 Replacing an optical drive To replace an optical drive: 4.2.7 Replacing a graphics card 44 Page 46 4.2.8 Replacing the TV-Tuner card To replace the TV-Tuner card: Page 4.2.9 Replacing the keyboard and mouse Appendix. Declaration 50 Trademarks Energy Star Statement