Lenovo b50-30, 59-426189 [21/88] Strategy for replacing a hard disk drive

Lenovo B50-30/B50-30 Touch/B50-45/B50-70
17
Usethefollowingstrategytopreventunnecessaryexpenseforreplacingand
servicingFRUs:
IfyouareinstructedtoreplaceanFRU,butthereplacementdoesnotsolve
theproblem,reinstalltheoriginalFRUbeforeyoucontinue.
Somecomputershavebothaprocessorboardandasystemboard.Ifyouare
instructedtoreplaceeitherofthem,andreplacingoneofthemdoesnotsolve
theproblem,reinstallthatboard,andthenreplacetheotherone.
IfanadapteroradeviceconsistsofmorethanoneFRU,anyoftheFRUsmay
bethecauseoftheerror.Beforereplacingtheadapterordevice,removethe
FRUsonebyonetoseeifthesymptomschange.ReplaceonlytheFRUthat
changedthesymptoms.
Attention:Thesetupconfigurationonthecomputeryouareservicingmayhave
beencustomized.RunningAutomaticConfigurationmayalterthesettings.Note
thecurrentconfigurationsettings(usingtheViewConfigurationoption);then,
whenservicehasbeencompleted,verifythatthosesettingsremainineffect.
Strategy for replacing a hard disk drive
Alwaystrytorunalowlevelformatbeforereplacingaharddiskdrive.Thiswill
causeallcustomerdataontheharddisktobelost.Makesurethatthecustomer
hasacurrentbackupofthedatabeforeperformingthisaction.
Attention:Thedrivestartupsequenceinthecomputeryouareservicingmay
havebeenchanged.Beextremelycarefulduringwriteoperationssuchas
copying,saving,orformatting.Ifyouselectanincorrectdrive,dataorprograms
canbeoverwritten.
Important notice for replacing a system board
Somecomponentsmountedonasystemboardareverysensitive.Improper
handlingcancausedamagetothosecomponents,andmaycauseasystem
malfunction.
Attention:Whenhandlingasystemboard:
Donotdropthesystemboardorapplyanyexcessiveforcetoit.
Avoidroughhandlingofanykind.
Avoidbendingthesystemboardandhardpushingtopreventcrackingat
eachBGA(BallGridArray)chipset.

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