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

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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Trademarks

Lenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Lenovo in the United States, other countries, or both.

Microsoft, Windows, and Windows Vista are trademarks of the Microsoft group of companies.

Intel Inside is a trademark of Intel Corporation in the U.S. and/or other countries.

AMD, the AMD Arrow logo, ATI, AMD Athlon, AMD LIVE!, AMD Opteron, AMD Phenom, AMD Sempron, Catalyst, Cool ‘n’ Quiet, CrossFire, PowerPlay, Radeon, and The Ultimate Visual Experience are trademarks of Advanced Micro Devices, Inc.

Other company, product, or service names referred to herein or in other Lenovo publications may be trademarks or service marks of others.

All rights reserved.

Names or marks of certain companies mentioned in the manuals included with your computer or this document do not necessarily indicate that related software or hardware is included. The actual configuration of the product depends on the packing list description.

62User Guide

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Lenovo 10086/3109/4743 [K430], 10121/90A1 [K450 ES], 10120/90A0 [K450 NON-ES], 10089/1168/4744 [K410] manual Trademarks

Contents

User Guide IdeaCentre K4 Series31503699 Important Safety Information Page Using the Rescue System ContentsImportant Safety Information Using WindowsTroubleshooting and Confirming Setup Using the SoftwareHardware Replacement Guide AppendixThis chapter contains the following topics Using the Computer HardwareUser Guide Front view of the chassis IdeaCentre K450 Rear view of the chassis4 User Guide IdeaCentre K410 6 User Guide Use this connector to attach headphones to your Basic connector instructionsUse this connector to attach a microphone to your computer when you want to record sound or if youConnecting your computer The configurations are as followings 5.1 Audio configuration instructionsSound configuration is as follows 7.1 Audio configuration instructionsConnecting the power cord Connecting to the Internet Display connecting instructions when playing Blu-ray DiscsWired keyboard selected models only Hot-swappable hard disk Hot-swappable hard disk selected models onlyUsing the hot-swappable hard disk ComponentsDo 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 COOL AUTO18 User Guide TURBO 20 User Guide This chapter contains the following topics Using Windows22 User Guide Switching between the main Windows 8 interfacesThe Charms Bar Shutting down the computerWindows Help and Support Switching between appsClosing an app Opening other system programs24 User Guide This chapter contains the following topics Using the Rescue SystemOneKey Recovery Note about the service partitionMethod 1 Automatic Installation Driver and Application InstallationMethod 2 Manual Installation 28 User Guide This chapter contains the following topic Using the SoftwareUser Guide User Guide Service and WarrantyLenovo Support RegistrationUser Guide Troubleshooting and Confirming Setup Troubleshooting and Problem Resolution This chapter contains the following topicTroubleshooting Display Problems Solving ProblemsTroubleshooting Audio Problems Troubleshooting Problems with Optical Drives and Hard Disks Troubleshooting Software Problems34 User Guide Special considerations for troubleshooting Windows Windows Help and Support BIOS setup utility36 User Guide Performing Daily Maintenance Tasks 38 User Guide  Removing the front bezel Hardware Replacement GuideThis chapter contains the following topics  Identifying internal componentsOverview Safety information for replacing CRUsTools required Additional information resourcesHandling static-sensitive devices User Guide LocationsIdentifying internal components Hard disk driveLenovo K450 Identifying parts on the system boardLenovo K430 Front panel connector Battery46 User Guide Lenovo K410Lenovo K415 Replacing hardware Pre-disassembly instructionsGeneral information To remove the computer cover Removing the computer coverTo remove the front bezel Removing the front bezelTo replace a memory module Replacing a memory moduleSlots one and two, three and four or one and three Lenovo K415Slot four Slot one or threeTo replace a hard disk drive Replacing a hard disk driveTo replace an optical drive Replacing an optical driveTo replace a graphics card Replacing a graphics card56 User Guide c. Remove the screw that secures the graphics card to the chassisb. Remove the screw that secures the graphics card to the chassis To replace the TV-Tuner card Replacing the TV-Tuner card7. Reattach the computer cover To replace the keyboard Replacing the keyboard and mouseDeclaration AppendixTrademarks Energy Star Statement Enabling ErP compliance mode