Chapter6.Replacingdevices
Thischapterprovidesinformationonthefollowingtopics:
•“Staticelectricityprevention”onpage71
•“Replacingthebattery”onpage71
•“Replacingthesolidstatedriveorharddiskdrive”onpage73
•“Replacingamemorymodule”onpage76
•“Replacingthekeyboard”onpage79
•“InstallingandreplacingthePCIExpressMiniCardforwirelessLAN/WiMAXconnection”onpage83
•“InstallingandreplacingthePCIExpressMiniCardforwirelessWANconnection”onpage87
•“ReplacingtheSIMcard”onpage90
•“Replacingthebackupbattery”onpage92

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.
ThissystemmightnotsupportbatteriesthatarenotgenuineLenovo-madeorauthoriz ed.Thesesystems
willcontinuetoboot,butmightnotchargeunauthorizedbatteries.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Toreplacethebatterywithanewone,readthefollowingprerequisites.
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