Lenovo C325 Owner's manual

LenovoC2/C3HardwareMaintenanceManual

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

iiLenovoC2/C3HardwareMaintenanceManual

Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforLenovoC220/C225/C320/C325computerslisted
onthecover.ItisintendedonlyfortrainedservicerswhoarefamiliarwithLenovocomputerproducts.
BeforeservicingaLenovoproduct,besuretoreadtheSafetyInformation.
ThedescriptionoftheTVcardinthismanualisonlyusedforthemachineswhichhavetheTVcard.Itis
invalidforthosemachineswhichdonothaveTVcard.
ImportantSafetyInformation
Besuretoreadallcautionanddangerstatementsinthisbookbeforeperforminganyoftheinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd’exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp“ACHTUNG”oder“VORSICHT”indieserDokumentation,bevor
SieirgendwelcheVorgängedurchführen
LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
qualsiasidelleistruzioni
Certique-sedelertodasasinstruçõesdecuidadoeperigonestemanualantesdeexecutarqualquer
umadasinstruções
Esimportantequeleatodaslasdeclaracionesdeprecauciónydepeligrodeestemanualantesdeseguir
lasinstrucciones.
执行任何说明之前，请确保已阅读本书中的所有警告和危险声明。
©CopyrightLenovo1