User guide

Chapter6.Replacingdevices

Thischaptercontainsthefollowingitems:

•“Staticelectricityprevention”onpage67

•“Disablingthebuilt-inbattery”onpage67

•“Replacingtheexternalbatterypack”onpage68

•“InstallingorreplacingtheSIMcard”onpage69

•“Replacingthebasecoverassembly”onpage71

•“Replacingtheharddiskdriveorsolid-statedrive”onpage72

•“Replacingamemorymodule”onpage74

•“ReplacinganM.2wirelessLANcard”onpage75

•“ReplacinganM.2wirelessWANcard”onpage78

•“Replacingthekeyboard”onpage81

•“ReplacingtheRTCbattery”onpage87

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.

Disablingthebuilt-inbattery

Beforereplacinganydevices,ensurethatyouhavedisabledthebuilt-inbatterybydoingthefollowing:

1.Disconnecttheacpoweradapterandallcablesfromthecomputer.

2.Restartthecomputer.WhentheThinkPadlogoisdisplayed,pressF1tostarttheThinkPadSetup

program.

3.GotoCong➙Power➙DisableBuilt-inBattery.

4.PressEnter.ASetupConrmationwindowisdisplayed.