Lenovo 0B39663 User Manual download pdf (Page 41)

Chapter6.CustomerReplaceableUnits(CRUs)

CustomerReplaceableUnits(CRUs)arecomputerpartsthatcanbeupgraded

orreplacedbythecustomer.TherearetwotypesofCRUs:Self-serviceand

Optional-service.Self-serviceCRUsareeasytoinstall.Theymightbestandalone,

latched,orrequireascrewdrivertoremoveamaximumoftwoscrews.However,

Optional-serviceCRUsrequiresometechnicalskillsandinsomecasesmight

alsorequiresimpletools,suchasascrewdriver.However,bothSelf-serviceand

Optional-serviceCRUsaresafeforthecustomertoremove.

CustomersareresponsibleforreplacingallSelf-serviceCRUs.Optional-service

CRUscanberemovedandinstalledbycustomersorbyaLenovoservice

technicianduringthewarrantyperiod.Lenovodesktopcomputerscontainboth

Self-serviceandOptional-serviceCRUs.

•Self-serviceCRUs:TheseCRUsunplugoraresecuredbynomorethantwo

screws.ExamplesofthesetypesofCRUsincludethekeyboard,themouse,

anyUSBdevice,andthepowercord.OtherSelf-serviceCRUsdepending

onproductdesignmightincludememorymodules,adaptercards,harddisk

drives,andopticaldrives.

•Optional-serviceCRUs:TheseCRUsareisolatedpartswithinthecomputer

andareconcealedbyanaccesspanelthatistypicallysecuredbymorethan

twoscrews.Oncetheaccesspanelisremoved,thespecicCRUisvisible.

•BothtypesofCRUsarelistedinthetablesonthefollowingpage.

TheThinkCentreUserGuideprovidesinstructionsforreplacingSelf-serviceand

Optional-serviceCRUs.RefertothefollowingtablesfortheCRUinformation

inyourThinkCentreUserGuide.IfyourcomputermodelhasaWindows7

operatingsystem,youcanviewthepublicationbyclickingStart➙Helpand

Support➙LenovoUserGuide.IfyourcomputermodelhasaWindowsVista

operatingsystem,youcanviewthepublicationbyclickingStart➙AllPrograms

➙ThinkVantage➙LenovoUserGuide.Double-clickthepublicationforyour

computer.YoucanalsoaccessthepublicationontheLenovoSupportWebsiteat:

http://www.lenovo.com/ThinkCentreUserGuides

Note:UseonlycomputerpartsprovidedbyLenovo.RefertoLenovoLimited

Warrantyonthewarrantyviewerorhttp://www.lenovo.com/warranty/llw_02.

YoucanndthereplacementinstructionsforthefollowingCRUsinthe

ThinkCentreUserGuide.

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Lenovo 0B39663 User Manual Page 41