Lenovo 57307496 Owner's manual

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Инструкция

IdeaCentre C320 20 57307496

Lenovo

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8 800 775 98 98

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LenovoC2/C3HardwareMaintenanceManual

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Contents

Chapter1.Aboutthismanual.....1ImportantSafetyInformation.........1Chapter2.Safetyinformation.....3Generalsafety...............3Electricalsafety..............3Safetyinspectionguide...........5Handlingelectrostaticdischarge-sensitivedevices.................5Groundingrequirements...........6Safetynotices...............6Chapter3.Generalinformation....9Specications...............9Chapter4.GeneralCheckout.....11Problemdeterminationtips..........11Chapter5.UsingtheSetupUtility...13StartingtheSetupUtilityprogram.......13Viewingandchangingsettings........13Usingpasswords..............13UsingDevice...............15Selectingastartupdevice..........15ExitingfromtheSetupUtilityprogram.....16Chapter6.Symptom-to-FRUIndex..17Harddiskdrivebooterror..........17PowerSupplyProblems...........17POSTerrorcodes.............18Undeterminedproblems...........18Chapter7.Replacinghardware....21Generalinformation.............21Hardwarecomponents...........22Replacingamemorymodule.........26Replacingtheopticaldrive..........27Replacingtheharddiskdrive.........29Replacingthekeyboardandmouse......31Replacingthepowercord..........32Removingthespeakercover.........32Removingthecomputercover........34Replacingtheconverterboard........35Removingthecomputerstand........36RemovingtheEMIcover...........37Replacingthesystemfan..........38ReplacingtheTVtunercard.........40ReplacingtheWLANcard..........41Replacingtheheatsink...........42ReplacingtheCPU.............44ReplacingtherearI/Omodule........46Replacingthespeakersystem........48Replacingthemotherboard..........49Replacingthecamera............51Replacingthefrontindicatorandpowerbuttonboard..................52Replacingthefrontfunctionboard.......53ReplacingtheLEDpanel...........54Chapter8.AdditionalServiceInformation..............57CopyrightLenovoi

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