Lenovo ThinkCentre M90p - Chapter 5 Lenovo Limited Warranty on; Copyright Lenovo; Chapter 7. Customer Replaceable Units (Crus)

Chapter7.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.RefertothefollowingtablefortheCRUinformationin
yourThinkCentreUserGuide.YoucanviewthepublicationbyclickingStart➙
AllPrograms➙OnlineBooks➙OnlineBooks.Double-clickthepublication
foryourcomputer.YoucanalsoaccessthepublicationontheLenovoSupport
Websiteat:
http://www.lenovo.com/support
Note:UseonlycomputerpartsprovidedbyLenovo.RefertoChapter5
“LenovoLimitedWarranty”onpage29
forwarrantyinformationaboutthe
CRUsforyourmachinetype.
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