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Lenovo 10086/3109/4743 [K430], 10121/90A1 [K450 ES] manual Important Safety Information

Models: 10120/90A0 [K450 NON-ES] 10121/90A1 [K450 ES] 10089/1168/4744 [K410] 10086/3109/4743 [K430] 10090/2556/4748 [K415]

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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 2013. 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.

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Lenovo 10086/3109/4743 [K430], 10121/90A1 [K450 ES], 10120/90A0 [K450 NON-ES] manual Important Safety Information

Contents

31503699 IdeaCentre K4 SeriesUser Guide Important Safety Information Page Using Windows ContentsImportant Safety Information Using the Rescue SystemAppendix Using the SoftwareHardware Replacement Guide Troubleshooting and Confirming SetupUser Guide Using the Computer HardwareThis chapter contains the following topics Front view of the chassis Rear view of the chassis IdeaCentre K4504 User Guide IdeaCentre K410 6 User Guide computer when you want to record sound or if you Basic connector instructionsUse this connector to attach a microphone to your Use this connector to attach headphones to yourConnecting your computer 5.1 Audio configuration instructions The configurations are as followings7.1 Audio configuration instructions Sound configuration is as followsConnecting the power cord Display connecting instructions when playing Blu-ray Discs Connecting to the InternetWired keyboard selected models only Components Hot-swappable hard disk selected models onlyUsing the hot-swappable hard disk Hot-swappable hard diskDo not install the operating system on the hot-swappable hard disk Power Control Switch selected models only To display the main screen of the software 18 User Guide AUTOCOOL TURBO 20 User Guide Using Windows This chapter contains the following topicsShutting down the computer Switching between the main Windows 8 interfacesThe Charms Bar 22 User GuideOpening other system programs Switching between appsClosing an app Windows Help and Support24 User Guide Using the Rescue System This chapter contains the following topicsNote about the service partition OneKey RecoveryMethod 2 Manual Installation Driver and Application InstallationMethod 1 Automatic Installation 28 User Guide User Guide Using the SoftwareThis chapter contains the following topic Registration Service and WarrantyLenovo Support User GuideThis chapter contains the following topic Troubleshooting and Confirming Setup Troubleshooting and Problem Resolution User GuideSolving Problems Troubleshooting Display ProblemsTroubleshooting Audio Problems 34 User Guide Troubleshooting Software ProblemsTroubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows 36 User Guide BIOS setup utilityWindows Help and Support Performing Daily Maintenance Tasks 38 User Guide  Identifying internal components Hardware Replacement GuideThis chapter contains the following topics  Removing the front bezelSafety information for replacing CRUs OverviewAdditional information resources Tools requiredHandling static-sensitive devices Hard disk drive LocationsIdentifying internal components User GuideIdentifying parts on the system board Lenovo K450Front panel connector Battery Lenovo K430Lenovo K410 46 User GuideLenovo K415 General information Pre-disassembly instructionsReplacing hardware Removing the computer cover To remove the computer coverRemoving the front bezel To remove the front bezelReplacing a memory module To replace a memory moduleSlot one or three Lenovo K415Slot four Slots one and two, three and four or one and threeReplacing a hard disk drive To replace a hard disk driveReplacing an optical drive To replace an optical driveReplacing a graphics card To replace a graphics cardc. Remove the screw that secures the graphics card to the chassis 56 User Guideb. Remove the screw that secures the graphics card to the chassis Replacing the TV-Tuner card To replace the TV-Tuner card7. Reattach the computer cover Replacing the keyboard and mouse To replace the keyboardAppendix DeclarationTrademarks Energy Star Statement Enabling ErP compliance mode