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Lenovo manual IdeaCentre A720Hardware Maintenance Manual

Models: A720

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10IdeaCentre A720Hardware Maintenance Manual

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Lenovo manual IdeaCentre A720Hardware Maintenance Manual

Contents

IdeaCentre A720 Hardware Maintenance Manual Page IdeaCentre A720 Hardware Maintenance Manual Page Contents Iv IdeaCentre A720Hardware Maintenance Manual Important Safety Information About this manualIdeaCentre A720Hardware Maintenance Manual General safety Safety informationElectrical safety IdeaCentre A720Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices Grounding requirementsDo not To Connect To Disconnect≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Specifications General informationType IdeaCentre A720 EnvironmentIdeaCentre A720Hardware Maintenance Manual General Checkout IdeaCentre A720Hardware Maintenance Manual Using the Setup Utility Starting the Lenovo Bios Setup Utility programViewing and changing settings Using passwordsSetting, changing, or deleting an Administrator password Administrator PasswordSetting, changing, or deleting a Power-On Password Enabling or disabling a device Select Save changes and Exit from the menuSelecting a temporary startup device Selecting a startup deviceSelecting or changing the startup device sequence Exiting the Lenovo Bios Setup Utility program IdeaCentre A720Hardware Maintenance Manual Symptom-to-FRU Index Hard disk drive boot errorPower Supply Problems Error FRU/ActionUndetermined problems Post error codesPost Error Message Description/Action Locating connectors, controls and components Font viewLeft and right view Rear view Hardware components CPUIdentifying parts on the motherboard TV-Tuner card connector Battery Identifying parts on the back of the LED panel IdeaCentre A720Hardware Maintenance Manual Replacing hardware Pre-disassembly instructionsGeneral information Replacing the power cord or power adapter To replace the power cord and power adapterReplacing the keyboard and mouse To replace the keyboard and mouseRemoving the base cover To remove the base coverReplacing the hard disk drive To replace the hard disk driveReplacing hardware Replacing a memory module Replacing the system fanTo replace a memory module To replace the system fanReplacing the heat-sink To replace the heat-sinkReplacing the CPU To replace the CPUReplacing hardware Replacing the optical drive To replace the optical driveReplacing hardware Replacing the solid state disk Replacing the optical drive eject boardTo replace the solid state disk To replace the optical drive eject boardReplacing the motherboard To replace the motherboardIdeaCentre A720Hardware Maintenance Manual Replacing the speaker system To replace the speaker systemIdeaCentre A720Hardware Maintenance Manual Replacing the TV tuner card To replace the TV tuner cardReplacing the battery To replace the batteryRemoving the hinge from the chassis To remove the hinge from the chassisIdeaCentre A720Hardware Maintenance Manual Removing the rear cover To remove the rear coverReplacing the scalar board To replace the scalar boardReplacing hardware Replacing the touch control board To replace the touch control boardReplacing the converter board To replace the converter boardReplacing the power switch board To replace the power switch boardReplacing the Bluetooth module To replace the Bluetooth moduleReplacing the Wlan card To replace the Wlan cardReplacing the camera To replace the cameraReplacing the front function board To replace the front function boardReplacing the LED panel To replace the LED panelIdeaCentre A720Hardware Maintenance Manual FRU lists Item # FRUs Service Part Number FRU MotherboardMemory Hard disk driveSolid state disk Optical disk drivePower Supply Remote controlBluetooth module Heat-sinkTouch control board KeyboardPower cords MouseMechanical Panel Back Light CableIdeaCentre A720Hardware Maintenance Manual Additional Service Information Power managementAdvanced configuration and power interface Acpi Bios Automatic Power-On features