Lenovo V340 - Strategy For Replacing A Hard Disk Drive; Important Notice For Replacing A System Board

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Important service information
Usethefollowingstrategytopreventunnecessaryexpenseforreplacingand
servicingFRU:
• IfyouareinstructedtoreplaceanFRU,butthereplacementdoesnotsolve
theproblem,reinstalltheoriginalFRUbeforeyoucontinue.
• Somecomputers haveboth aprocessorboardandasystemboard. Ifyou
areinstructedtoreplaceeitherofthem,andreplacingoneofthemdoesnot
solvetheproblem,reinstallthatboard,andthenreplacetheotherone.
• Ifanadapteroradeviceconsistsofmore thanoneFRU,anyoftheFRU
maybethecauseoftheerror.Beforereplacingtheadapterordevice,
removetheFRUonebyonetoseeifthesymptomschange.Replaceonly
theFRUthatchangedthesymptoms.
Attention:Thesetupconfigurationonthe computeryouareservicingmay
havebeencustomized.RunningAutomatic Configurationmayalterthe
settings.Notethecurrentcongurationsettings(usingtheViewConguration
option);then,whenservice hasbeen completed,verify thatthose settings
remainine󰀨ect.
Strategy for replacing a hard disk drive
Alwaystrytorunalow-level formatbefore replacinga harddisk drive.This
willcauseallcustomerdataonthe harddisktobelost.Makesurethatthe
customerhasacurrentbackupofthedatabeforeperformingthisaction.
Attention:Thedrivestartupsequenceinthecomputeryouareservicingmay
havebeenchanged.Beextremelycarefulduringwriteoperationssuchas
copying,saving,orformatting.Ifyouselectanincorrectdrive,dataorprograms
canbeoverwritten.
Important notice for replacing a system board
Somecomponentsmountedonasystemboardareverysensitive.Improper
handlingcancausedamagetothosecomponents,andmaycauseasystem
malfunction.
Attention:Whenhandlingasystemboard:
• Donotdropthesystemboardorapplyanyexcessiveforcetoit.
• Avoidroughhandlingofanykind.
• Avoidbendingthe systemboard andhardpushingtopreventcrackingat
eachBGA(BallGridArray)chipset.