Aboutthismanual
ThismanualprovidesserviceandreferenceinformationforLenovo
®
desktopcomputerslistedonthe
frontcover.
Chapter6“Symptom-to-FRUindex”onpage55andChapter9“Additionalserviceinformation”onpage105
arenotspecictoanymachinetypeandareapplicabletoallLenovodesktopcomputers.
FormajorFieldReplaceableUnits(FRU)locationsandCustomerReplaceableUnit(CRU)identication,
seeChapter7“Locations”onpage61.
ForFRUreplacementinstructions,seeChapter8“ReplacingFRUs”onpage69.
ForFRUpartnumbers,goto:
http:/www.lenovo.com/serviceparts-lookup
Important:ThismanualisintendedonlyfortrainedservicetechnicianswhoarefamiliarwithLenovo
desktopcomputers.Usethismanualalongwiththeadvanceddiagnosticteststotroubleshootproblems
effectively.BeforeservicingaLenovodesktopcomputer,besuretoreadandunderstandChapter1“Safety
information”onpage1
.
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