ThinkPad Edge E440 - Computer Features

Strategyforreplacingaharddiskdriveorasolid-statedrive
Alwaystrytorunalow-levelformatoperationbeforereplacingaharddiskdriveorasolid-statedrive.This
willcauseallcustomerdataonthedrivetobelost.Ensurethatthecustomerhasacurrentbackupof
thedatabeforeyouperformthistask.
Attention:Thedrivestartupsequenceinthecomputeryouareservicingmighthavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.
IfthecomputerisshippedwithbothanM.2solid-statedriveandaharddiskdrive,theM.2solid-statedrive
isusedforthe“cache”functionandtosupporttheIntel®RapidStartTechnology.Werecommendthat
usersdonotreplacetheM.2solid-statedrivebythemselves.Otherwise,the“cache”functionwillnotwork
andtheIntelRapidStartTechnologycannotbeusedanymore.
Attention:EnsurethatyoupartitiontheM.2solid-statedriveafterinstallingitonthecomputeryouare
servicing.Otherwise,theM.2solid-statedrivewillnotfunctioncorrectly.Forinstructionsonhowtopartition
anM.2solid-statedrive,gotohttp://www.lenovo.com/support/msata-fru.
Importantnoticeforreplacingasystemboard
Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.
Attention:Whenhandlingasystemboard:
•Donotdropasystemboardorapplyanyexcessiveforcetoit.
•Avoidroughhandlingofanykind.
•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBallGridArray(BGA)chipset.
Howtouseerrorcodes
Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed,
beginthediagnosiswiththersterrorcode.Whatevercausesthersterrorcodemightalsocausefalse
errorcodes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedinthe“Symptom-to-FRU
Index”section.
StrategyforreplacingFRUsforCTO,specialbidmodel,andstandard
model
ThistopicprovidesinformationaboutthemodeltypesandFRUidentication.
Productdenition
Thistopicintroducesdifferentmodeltypesandhowtoidentifyeachtype.
DynamicCongureToOrder(CTO)
ThismodelprovidestheabilityforacustomertocongureaLenovosolutionfromaWebsite,andhavethis
congurationsenttofulllment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabel,
iBase,andeSupportwillloadtheseproductsasthe4-characterMT,4-charactermodel,and2-character
countrycode.Themodelis“CTO1”andthedefaultcountrycodeis“WW”(example:20AACTO1WW).
Specialbidmodel
ThismodelisauniquecongurationthathasbeennegotiatedbetweenLenovoandthecustomer.Aunique
MTMconsistsofa4-characterMT,a4-charactermodel,andanumeric2-charactercountrycodeisprovided
24HardwareMaintenanceManual