Lenovo ThinkPad Edge E320 User Manual Page 31
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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.ExamplesofthistypeofCRUaretheacpoweradapter,
thepowercord,thebattery,andtheharddiskdrive.Insomeproducts,such
componentsasmemorymodules,wirelesscards,notebookkeyboards,and
palmrestswithngerprintreaderandtouchpadmayalsobeCRUs.
•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.Forthetelephonenumberofthe
CustomerSupportCenterforyourcountryorregion,see“Worldwidetelephone
list”onpage5.
©CopyrightLenovo201117
- SafetyandWarrantyGuide 1
- Contents 3
- Importantsafetyinformation 5
- Safetyguidelines 6
- Hazardousmovingpartsstatement 6
- Generalbatterynotice 7
- Rechargeablebatterynotice 8
- Lithiumcoincellbatterynotice 9
- Powersupplystatement 9
- NotetoCATVsysteminstaller 10
- Exampleofantennagrounding 11
- Usingheadphonesorearphones 12
- Datasafety 13
- Additionalsafetyinformation 13
- Chapter1.Findinginformation 15
- LenovoSupportWebsite 16
- GettinghelpontheWeb 17
- GettingMicrosoftServicePacks 17
- Gettinghelparoundtheworld 18
- Frequentlyaskedquestions 19
- Worldwidetelephonelist 19
- 6SafetyandWarrantyGuide 20
- 8SafetyandWarrantyGuide 22
- 10SafetyandWarrantyGuide 24
- 12SafetyandWarrantyGuide 26
- TypesofWarrantyService 27
- 14SafetyandWarrantyGuide 28
- 16SafetyandWarrantyGuide 30
- ©CopyrightLenovo201117 31
- 18SafetyandWarrantyGuide 32
- ForThinkPadEdgeE320andE325 33
- CardforwirelessWAN 33
- 20SafetyandWarrantyGuide 34
- Electronicemissionsnotices 35
- 22SafetyandWarrantyGuide 36
- ChinaWEEEstatement 37
- Japanrecyclingstatements 37
- Taiwanrecyclingstatement 38
- AppendixE.Notices 39
- Chinasubstancedisclosuretable 40
- Turkishstatementofcompliance 40
- UkraineRoHS 41
- ENERGYSTARmodelinformation 41
- 28SafetyandWarrantyGuide 42
- Trademarks 43
- 30SafetyandWarrantyGuide 44
- *0A96464* 46
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