Chapter7.Replacingdevices
ThischapterprovidesCRUinstructionsforyourcomputer.
•“Replacingthebattery”onpage31
•“Replacingthebackupbattery”onpage32
•“Replacingtheharddiskdrive”onpage35
•“Replacingthekeyboard”onpage38
•“Replacingamemorymodule”onpage42
•“ReplacingthePCIExpressMiniCardforwirelessLAN/WiMAXconnection”onpage45
•“Removingtheopticaldrive”onpage48
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoption
orCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityinthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Replacingthebattery
Beforeyoustart,printtheseinstructions.
Note:ThissystemdoesnotsupportbatteriesthatarenotgenuineLenovo-madeorauthorized.Thesystem
willcontinuetoboot,butmaynotchargeunauthorizedbatteries.Attention:Lenovohasnoresponsibility
fortheperformanceorsafetyofunauthorizedbatteries,andprovidesnowarrantiesforfailuresordamage
arisingoutoftheiruse.
Toreplacethebatterywithanewone,readthefollowingprerequisites.
©CopyrightLenovo2012
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