
AppendixB.CustomerReplaceableUnits
CustomerReplaceableUnits(CRUs)arecomputerpartsthatthecustomercan
upgradeorreplace.TherearetwotypesofCRU:self-serviceandoptional-service.
Self-serviceCRUsareeasytoinstall.Theymaybestandaloneorlatched,
orrequireascrewdrivertoremoveamaximumoftwoscrews,whereas
optional-serviceCRUsrequiresometechnicalskill,aswellastoolssuchasa
screwdriver.However,bothself-serviceandoptional-serviceCRUsaresafefor
thecustomertoremoveandreplace.
Customersareresponsibleforreplacingallself-serviceCRUs.Optional-service
CRUscanberemovedandinstalledbycustomersor,duringthewarrantyperiod,
byaLenovoservicetechnician.
Lenovonotebookcomputerscontainbothself-serviceandoptional-serviceCRUs:
•Self-serviceCRUs:TheseCRUscanbeunplugged,oraresecuredbyno
morethantwoscrews.ExamplesofthistypeofCRUaretheACadapter,
thepowercord,thebattery,andtheharddrive.Insomeproducts,such
componentsasmemory,wirelesscards,notebookkeyboards,andpalmrests
withngerprintreaderandtouchpadmayalsobeCRUs.
•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputer
thatareconcealedbyanaccesspanel,whichistypicallysecuredbymorethan
twoscrews.Oncetheaccesspanelisremoved,theCRUisvisible.Bothtypes
ofCRUarelistedinthetableonthefollowingpage.
TheLenovoSupportWebsite,http://www.lenovo.com/CRUs,provides
instructionsforreplacingself-serviceandoptional-serviceCRUs.TheWebsite
offersthreeoptionstobeginyoursearch:
•Searchbyproductnumber
•Searchthroughtheproductauto-detectfunction
•Searchbyproductcategory
InstructionsforseveralcriticalCRUscanalsobefoundintheSetupInstructions
thatcomeswithyourproduct.
TheUserGuidealsoprovidesinstructionsforreplacingself-serviceand
optional-serviceCRUs.ToaccesstheUserGuide,referto“UserGuide”onpage1
.
Ifyouareunabletoaccesstheseinstructionsorifyouhavedifcultyreplacinga
CRU,youcancalltheCustomerSupportCenter.Forthetelephonenumberof
theSupportCenterforyourcountryorregion,see“Worldwidetelephonelist”on
page5.
©CopyrightLenovo201119
Comments to this Manuals