•IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmightbethecauseoftheerror.
Beforereplacingtheadapterordevice,removetheFRUs,onebyone,toseeifthesymptomschange.
ReplaceonlytheFRUthatchangedthesymptoms.
Strategyforreplacingaharddiskdrive
Alwaystrytorunalow-levelformatoperationbeforereplacingaharddiskdrive.Thiswillcauseallcustomer
dataontheharddiskdrivetobelost.Besurethatthecustomerhasacurrentbackupofthedatabefore
youperformthistask.
Attention:Thedrivestartupsequenceinthecomputeryouareservicingmighthavebeenchanged.Be
extremelycarefulduringwriteoperationssuchascopying,saving,orformatting.Ifyouselectanincorrect
drive,dataorprogramscanbeoverwritten.
IfthecomputeryouareservicingisshippedwithbothanmSATAsolid-statedriveandaharddiskdrive,the
mSATAsolid-statedriveisusedforthe“cache”functionandtosupporttheIntel
®
RapidStartTechnology.
UsersarenotrecommendedtoreplacethemSATAsolid-statedrivebythemselves.Werecommendthat
usersdonotreplacethemSATAsolid-statedrivebythemselves.Otherwise,the“cache”functionwillnot
workandtheIntelRapidStartTechnologycannotbeusedanymore.
Attention:EnsurethatyoupartitionthemSATAsolid-statedriveafterinstallingitonthecomputeryouare
servicing.Otherwise,themSATAsolid-statedrivewillnotfunctioncorrectly.Forinstructionsonhowto
partitionanmSATAsolid-statedrive,gotohttp://www.lenovo.com/support/msata-fru.
Importantnoticeforreplacingasystemboard
Somecomponentsmountedonasystemboardareverysensitive.Improperhandlingofasystemboardcan
causedamagetothosecomponents,andmaycauseasystemmalfunction.
Attention:Whenhandlingasystemboard:
•Donotdropasystemboardorapplyanyexcessiveforcetoit.
•Avoidroughhandlingofanykind.
•AvoidbendingasystemboardandhardpushingtopreventcrackingateachBallGridArray(BGA)chipset.
Howtouseerrorcodes
Usetheerrorcodesdisplayedonthescreentodiagnosefailures.Ifmorethanoneerrorcodeisdisplayed,
beginthediagnosiswiththersterrorcode.Whatevercausesthersterrorcodemightalsocausefalse
errorcodes.Ifnoerrorcodeisdisplayed,seewhethertheerrorsymptomislistedinthe“Symptom-to-FRU
Index”section.
StrategyforreplacingFRUsforCTO,CMV,andGAVproducts
Productdenition
DynamicCongureToOrder(CTO)
ThisprovidestheabilityforacustomertocongureaLenovosolutionfromaneSite,andhavethis
congurationsenttofulllment,whereitisbuiltandshippeddirectlytothecustomer.Themachinelabel,
ProductEntitlementWarehouse(PEW),andeSupportwillloadtheseproductsasthe4-digitMTand3-digit
model,wheremodel=“CTO”(example:1829-CTO).
24HardwareMaintenanceManual
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