Chapter9.Replacingdevices
Thischaptercontainsthefollowingitems:
•“Staticelectricityprevention”onpage105
•“Disablingthebuilt-inbatteries”onpage105
•“Replacingthememorymodule”onpage106
•“Replacingthecoin-cellbattery”onpage111
•“Replacingthewireless-LANcard”onpage108
•“Replacingtheharddiskdriveorsolid-statedrive”onpage113
•“Replacingthekeyboard”onpage117
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputercomponentsandoptions.
Improperhandlingofstatic-sensitivepartscancausedamagetothepart.Whenyouunpackanoptionor
aCRU,donotopenthestatic-protectivepackagecontainingthepartuntiltheinstructionsdirectyou
toinstallit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,takethefollowingprecautions
toavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,andothercircuitboardsbythe
edges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protectivepackagecontainingthe
parttoametalexpansion-slotcoverorotherunpaintedmetalsurfaceonthecomputerforatleasttwo
seconds.Thisreducesstaticelectricityfromthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protectivepackagingandinstallthepart
withoutsettingitdown.Whenthisisnotpossible,placethestatic-protectivepackagingonasmooth,
levelsurfaceandplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Disablingthebuilt-inbatteries
Beforereplacinganydevices,ensurethatyouhavedisabledthebuilt-inbatteriesbydoingthefollowing:
1.Disconnecttheacpoweradapterandallcablesfromthecomputer.
2.Restartthecomputer.PressF1toenterThinkPadSetupwhenthelogoscreenappears.
3.SelectConfig➙Power.Thesubmenuisdisplayed.
4.SelectDisableBuilt-inBattery.
5.ClickYesintheSetupWarningwindow.Thenthecomputerturnsoffandthebuilt-inbatteriesare
disabled.Waitforafewminutestoletthecomputercool.
Note:Thebuilt-inbatterieswillbeautomaticallyenabledagainwhentheacpoweradapterisconnected
tothecomputer.
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