Chapter1.Aboutthismanual
ThismanualcontainsserviceandreferenceinformationforThinkCentre®computermachinetypeslisted
onthefrontcover.AlltheinformationinthismanualisintendedonlyfortrainedServiceProviderswhoare
familiarwithLenovo®computerproducts.Beforeusingthisinformationandtheproductitsupports,besure
toreadandunderstandtheChapter2“Safetyinformation”onpage3andAppendixA“Notices”onpage207.
The“Symptom-to-FRUIndex”chapterandthe“Additionalserviceinformation”chapterapplytoall
ThinkCentrecomputers.
Thismanualincludesacompleteeldreplaceableunit(FRU)partnumberlistforeachmachinetypelistedon
thefrontcover.IfyouhaveInternetaccess,theFRUpartnumberlistsarealsoavailableat:
http://www.lenovo.com/support

Importantsafetyinformation

Besuretoreadandunderstandallcautionanddangerstatementsinthismanualbeforeperforminganyof
theinstructions.
VeuillezliretouteslesconsignesdetypeDANGERetATTENTIONduprésentdocumentavantd'exécuter
lesinstructions.
LesenSieunbedingtalleHinweisevomTyp"ACHTUNG"oder"VORSICHT"indieserDokumentation,bevor
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LeggereleistruzioniintrodottedaATTENZIONEePERICOLOpresentinelmanualeprimadieseguireuna
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umadasinstruções
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lasinstrucciones.

ImportantinformationaboutreplacingtheRoHScompliantFRUs

RoHS,theRestrictionofHazardousSubstancesinElectricalandElectronicEquipmentDirective
(2002/95/EC)isaEuropeanUnionlegalrequirementaffectingtheglobalelectronicsindustry.RoHS
requirementsmustbeimplementedonLenovoproductsplacedonthemarketandsoldinthe
EuropeanUnionafterJune2006.ProductsonthemarketbeforeJune2006arenotrequiredto
haveRoHScompliantparts.Ifthepartsarenotcompliantoriginally,replacementpartscanalso
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