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Lenovo 10121/90A1 [K450 ES] manual Using the Software, Hardware Replacement Guide, Appendix

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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Using the Software	29
Lenovo Support	30
Troubleshooting and Confirming Setup	31
Troubleshooting Display Problems	32
Troubleshooting Audio Problems	33
Troubleshooting Software Problems	34
Troubleshooting Problems with Optical Drives and Hard Disks	34
Special considerations for troubleshooting Windows	35
Windows Help and Support	36
BIOS setup utility	36
Performing Daily Maintenance Tasks	37
Hardware Replacement Guide	39
Locations	43
Replacing hardware	48
Appendix	61
Declaration	61
Trademarks	62
Energy Star Statement	63
Enabling ErP compliance mode	64

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Lenovo 10121/90A1 [K450 ES] Using the Software, Hardware Replacement Guide, Appendix, Troubleshooting and Confirming Setup

Contents

31503699 IdeaCentre K4 SeriesUser Guide Important Safety Information Page Important Safety Information ContentsUsing Windows Using the Rescue SystemHardware Replacement Guide Using the SoftwareAppendix Troubleshooting and Confirming SetupUser Guide Using the Computer HardwareThis chapter contains the following topics Front view of the chassis IdeaCentre K450 Rear view of the chassis4 User Guide IdeaCentre K410 6 User Guide Use this connector to attach a microphone to your Basic connector instructionscomputer when you want to record sound or if you Use this connector to attach headphones to yourConnecting 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 Using the hot-swappable hard disk Hot-swappable hard disk selected models onlyComponents 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 This chapter contains the following topics Using WindowsThe Charms Bar Switching between the main Windows 8 interfacesShutting down the computer 22 User GuideClosing an app Switching between appsOpening other system programs Windows Help and Support24 User Guide This chapter contains the following topics Using the Rescue SystemOneKey Recovery Note about the service partitionMethod 2 Manual Installation Driver and Application InstallationMethod 1 Automatic Installation 28 User Guide User Guide Using the SoftwareThis chapter contains the following topic Lenovo Support Service and WarrantyRegistration User Guide Troubleshooting and Problem Resolution Troubleshooting and Confirming SetupThis chapter contains the following topic User GuideTroubleshooting Display Problems Solving 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 This chapter contains the following topics Hardware Replacement Guide Identifying internal components  Removing the front bezelOverview Safety information for replacing CRUsTools required Additional information resourcesHandling static-sensitive devices Identifying internal components LocationsHard disk drive User GuideLenovo K450 Identifying parts on the system boardLenovo K430 Front panel connector Battery46 User Guide Lenovo K410Lenovo K415 General information Pre-disassembly instructionsReplacing hardware To remove the computer cover Removing the computer coverTo remove the front bezel Removing the front bezelTo replace a memory module Replacing a memory moduleSlot four Lenovo K415Slot one or three Slots one and two, three and four or one and 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