Chapter10.Replacingdevices
Thischaptercontainsthefollowingitems:
•“Staticelectricityprevention”onpage123
•“Disablingthebuilt-inbattery”onpage123
•“Replacingtheremovablebattery”onpage124
•“InstallingorreplacingthemicroSIMcard”onpage125
•“Replacingthebasecoverassembly”onpage126
•“Replacingtheinternalstoragedrive”onpage128
•“Replacingamemorymodule”onpage130
•“ReplacinganM.2wirelessWANcard”onpage131
•“Replacingthekeyboard”onpage134
•“Replacingthecoin-cellbattery”onpage141
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.GotoConfig➙Power➙DisableBuilt-inBattery.
4.PressEnter.ASetupConfirmationwindowisdisplayed.
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