User Manual

Chapter10.Replacingdevices
Thischaptercontainsthefollowingtopics:
•“Staticelectricityprevention”onpage113
•“Disablingthebuilt-inbatteries”onpage113
•“InstallingorreplacingthemicroSIMcard”onpage114
•“Replacingthebottomcover”onpage114
•“ReplacingtheM.2solid-statedrive”onpage115
•“Replacingamemorymodule”onpage117
•“ReplacingthewirelessWANcard”onpage118
•“Replacingthekeyboard”onpage121
TogetnewCustomerReplaceableUnits(CRUs),contactLenovo.Formoreinformation,seeChapter11
“Gettingsupport”onpage129.
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-inbatteries
Beforereplacinganydevices,ensurethatyouhavedisabledthebuilt-inbatteriesbydoingthefollowing:
1.Disconnecttheacpoweradapterandallcablesfromthecomputer.
2.Restartthecomputer.WhentheThinkPadlogoisdisplayed,pressF1tostarttheThinkPadSetup
program.
3.GotoConfig➙Power➙DisableBuilt-inBattery.
4.PressEnter.ASetupConfirmationwindowisdisplayed.
©CopyrightLenovo2015
113