Lenovo 3109, 4743 K430, 10086 manual Additional information resources, Tools required

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Additional information resources

The most up-to-date information for your computer is available online at: http://consumersupport.lenovo.com.

You can find the following information:

•Customer replacement unit removal and installation information

•Publications

•Troubleshooting information

•Parts information

•Links to other useful sources of information

Tools required

To disassemble the computer, you will need the following tools:

•Wrist grounding strap and conductive mat for preventing electrostatic discharge

•Flat screwdriver

•Phillips screwdriver

•Hex screwdriver

•Plastic flat screwdriver

•Plastic tweezers

Note: The screws used for the different components vary in size. During the disassembly procedure, group the screws with their corresponding components to avoid a mismatch when replacing the components.

User Guide 31

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Contents IdeaCentre K4 Series Important Safety Information Page Contents Hardware Replacement Guide Chapter Using the Computer Hardware This chapter contains the following topicsFront view of the chassis Rear view of the chassis User Guide User Guide Connecting your computer Basic connector instructionsLine-in connector on a stereo system or other 7.1 Audio configuration instructions Sound configuration is as follows5.1 Audio configuration instructions Configurations are as followingsDVI-HDMI Wired keyboard selected models only Hot-swappable hard disk selected models onlyUser Guide User Guide Power Control Switch selected models only User Guide Auto Turbo User Guide Chapter Using the Rescue System OneKey Recovery Driver and Application InstallationSystem Setup Method 1 Automatic InstallationMethod 2 Manual Installation Network SettingsSystem Backup System RecoveryCreate Recovery Disc Password ManagementTroubleshooting and Chapter Confirming Setup Solving Problems Troubleshooting Display ProblemsTroubleshooting Audio Problems Troubleshooting Software ProblemsTroubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Performing Daily Maintenance Tasks Chapter Hardware Replacement Guide Safety information for replacing CRUs OverviewAdditional information resources Tools requiredHandling static-sensitive devices Locations Identifying internal componentsIdentifying parts on the system board PCI express X 16 adapter slotsMicroprocessor fan header 12V power connector Battery Microprocessor and heat sink Pre-disassembly instructions Replacing hardwareGeneral information Removing the computer cover To remove the computer coverRemoving the front bezel To remove the front bezelReplacing a memory module To replace a memory moduleReplacing 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 cardUser Guide User Guide Replacing the TV-Tuner card To replace the TV-Tuner cardUser Guide Replacing the keyboard and mouse To replace the keyboardAppendix DeclarationEnergy Star Statement TrademarksUser Guide User Guide