User's Manual

Table Of Contents
Chapter10.Replacingdevices
Thischapterprovidesinstructionsonhowtoinstallorreplacehardwareforyourcomputer.
Thischaptercontainsthefollowingtopics:
“Staticelectricityprevention”onpage119
“Disablingthebuilt-inbattery”onpage119
“InstallingorreplacingthemicroSIMcard”onpage120
“InstallingorremovingthemicroSDcard”onpage121
“Replacingthebasecoverassembly”onpage123
“ReplacingtheM.2solid-statedrive”onpage124
“Replacingamemorymodule”onpage127
“ReplacingthewirelessWANcard”onpage128
“Replacingthecoin-cellbattery”onpage130
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoptionor
aCustomerReplaceableUnit(CRU),donotopenthestatic-protectivepackagethatcontainsthepart
untiltheinstructionsdirectyoutoinstallthepart.
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
Beforereplacinganyhardwarecomponent,ensurethatyouhavedisabledthebuilt-inbatterybydoing
thefollowing:
1.Turnoffyourcomputeranddisconnecttheacpoweradapterandallcablesfromthecomputer.
2.Turnonyourcomputer.WhentheThinkPadlogoisdisplayed,immediatelypressF1tostartthe
ThinkPadSetupprogram.
3.SelectConfigPower.ThePowersubmenuisdisplayed.
4.SelectDisableBuilt-inBatteryandpressEnter.
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