Manual

Chapter7.Replacingdevices

ThischapterprovidesCRUinstructionsforyourcomputer.

•“Replacingthebattery”onpage31

•“Replacingthebackupbattery”onpage32

•“Replacingtheharddiskdrive”onpage35

•“Replacingamemorymodule”onpage38

•“ReplacingthePCIExpressMiniCardforwirelessLAN/WiMAXconnection”onpage41

•“Removingtheopticaldrive”onpage44

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.