User guide

Chapter6.Replacingdevices

Thischaptercontainsthefollowingitems:

•“Staticelectricityprevention”onpage63

•“Replacingthebatterypack”onpage63

•“InstallingorreplacingtheSIMcard”onpage66

•“Replacingtheharddiskdriveorsolid-statedrive”onpage67

•“Replacingamemorymodule”onpage70

•“ReplacingtheM.2wirelessLANcard”onpage72

•“InstallingorreplacingtheM.2wirelessWANcard”onpage76

•“ReplacingtheUltrabaydevice”onpage79

•“Replacingthekeyboard”onpage84

•“Replacingthebackupbattery”onpage82

Staticelectricityprevention

Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.

Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoptionor

aCRU,donotopenthestatic-protectivepackagethatcontainsthepartuntiltheinstructionsdirectyou

toinstallthepart.

WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions

toavoidstatic-electricitydamage:

•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.

•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe

edges.Nevertouchexposedcircuitry.

•Preventothersfromtouchingcomponents.

•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagethatcontainsthe

parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo

seconds.Thisreducesstaticelectricityinthepackageandyourbody.

•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackageandinstallthepart

withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackageonasmooth,

levelsurfaceandplacethepartonthepackage.

•Donotplacethepartonthecomputercoverorothermetalsurface.

Replacingthebatterypack

Beforeyoustart,printtheseinstructions.

ThissystemsupportsonlybatteriesspeciallydesignedforthisspecicsystemandmanufacturedbyLenovo

oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother

systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemisinstalled,thesystemwillnot

chargeandthefollowingmessagewillbedisplayed:

“Thebatteryinstalledisnotsupportedbythissystemandwillnotcharge.Pleasereplacethebattery

withthecorrectLenovobatteryforthissystem.”