Lenovo ThinkPad Edge E425 - Chapter 6. Replacing Devices; Static Electricity Prevention; Replacing the Battery

Chapter6.Replacingdevices
Youcanincreasethecapacityofthememoryortheharddiskdrivebyreplacingtheoriginal,built-in
devicewithanoptionalone.Or,ifyouneedto,youcanreplacethePCIExpressMiniCardbyfollowing
theproceduresinthischapter.
Thischapterprovidesinformationonthefollowingtopics:
•“Staticelectricityprevention”onpage69
•“Replacingthebattery”onpage69
•“Replacingtheharddiskdrive”onpage71
•“Replacingtheopticaldrive”onpage74
•“ReplacingaPCIExpressMiniCardforwirelessLANconnection”onpage78
•“Replacingamemorymodule”onpage81
•“Replacingthekeyboard”onpage84
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoptionor
aCRU,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-madeorauthorized.Thesesystems
willcontinuetoboot,butmightnotchargeunauthorizedbatteries.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Toreplacethebatterywithanewone,readthefollowingprerequisites.
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