Lenovo Yoga 11e User's Guide Page 119

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Chapter9.Replacingdevices
Thischaptercontainsthefollowingitems:
“Staticelectricityprevention”onpage103
“Disablingthebuilt-inbatteries”onpage103
“Replacingthememorymodule”onpage104
“Replacingthecoin-cellbattery”onpage109
“Replacingthewireless-LANcard”onpage106
“Replacingtheharddiskdriveorsolid-statedrive”onpage111
“Replacingthekeyboard”onpage115
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.SelectConfigPower.Thesubmenuisdisplayed.
4.SelectDisableBuilt-inBattery.
5.ClickYesintheSetupWarningwindow.Thenthecomputerturnsoffandthebuilt-inbatteriesare
disabled.Waitforafewminutestoletthecomputercool.
Note:Thebuilt-inbatterieswillbeautomaticallyenabledagainwhentheacpoweradapterisconnected
tothecomputer.
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