Chapter6.Replacingdevices
Thischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.
•“Staticelectricityprevention”onpage67
•“Replacingthebattery”onpage67
•“ReplacingtheSIMcard”onpage69
•“Replacingtheharddiskdrive”onpage70
•“Replacingtheopticaldrive”onpage73
•“ReplacingaPCIExpressMiniCardforwirelessLANconnection”onpage77
•“ReplacingaPCIExpressMiniCardforwirelessWANconnection”onpage80
•“Replacingamemorymodule”onpage85
•“Replacingthekeyboard”onpage87
•“Replacingthebackupbattery”onpage92
•“Replacingthethermalfan”onpage95

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.Thisreducesstaticelectricityfromthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.

Replacingthebattery

Beforeyoustart,printtheseinstructions.
ThissystemsupportsonlybatteriesspeciallydesignedforthisspecicsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemisinstalled,thesystemwill
notcharge.
©CopyrightLenovo201267