Lenovo B40-30 Specifications download pdf (Page 21)

Lenovo B40-30/B40-45/B40-70

Usethefollowingstrategytopreventunnecessaryexpenseforreplacingand

servicingFRUs:

• 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FRUsmay

bethecauseoftheerror.Beforereplacingtheadapterordevice,removethe

FRUs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configurationsettings(usingtheViewConfigurationoption);then,

whenservicehasbeencompleted,verifythatthosesettingsremainineffect.

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formatti ng.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.

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Lenovo B40-30 Specifications Page 21