ThinkPad E555 - Cleaning the Cover of Your Computer

•Storeyourexternalandremovablestoragedriveoropticaldrivesintheappropriatecontainersor
packagingwhentheyarenotbeingused.
•Beforeyouinstallanyofthefollowingdevices,touchametaltableoragroundedmetalobject.Thisaction
reducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
•Whiletransferringdatatoorfromaflashmediacard,suchasanSDcard,donotputyourcomputerin
sleeporhibernationmodebeforethedatatransferiscomplete.Todosomightcausedamagetoyour
data.
Takingcarewhensettingpasswords
•Rememberyourpasswords.Ifyouforgetasupervisororharddiskpassword,Lenovowillnotresetit,
andyoumighthavetoreplaceyoursystemboardorstoragedrive.
Takingcareofthefingerprintreader
Thefollowingactionscoulddamagethefingerprintreaderorcauseitnottoworkproperly:
•Scratchingthesurfaceofthefingerprintreaderwithahard,pointedobject.
•Scrapingthesurfaceofthefingerprintreaderwithyourfingernailoranythinghard.
•Usingortouchingthefingerprintreaderwithadirtyfinger.
Ifyounoticeanyofthefollowingconditions,gentlycleanthesurfaceofthefingerprintreaderwithadry,
soft,lint-freecloth:
•Thesurfaceofthefingerprintreaderisdirtyorstained.
•Thesurfaceofthefingerprintreaderiswet.
•Thefingerprintreaderoftenfailstoenrollorauthenticateyourfingerprint.
Registeringyourcomputer
•RegisteryourThinkPadcomputerwithLenovoathttp://www.lenovo.com/register.Formoreinformation,
see“Registeringyourcomputer”onpage19.
Besurenottomodifyyourcomputer
•OnlyanauthorizedThinkPadrepairtechnicianshoulddisassembleandrepairyourcomputer.
•Donotmodifyortapethelatchestokeepthedisplayopenorclosed.
Cleaningthecoverofyourcomputer
Occasionallycleanyourcomputerbydoingthefollowing:
1.Prepareamixtureofagentlekitchen-usedetergent.Thedetergentmustnotcontainabrasivepowderor
strongchemicalssuchasacidoralkaline.Usefivepartswatertoonepartdetergent.
2.Absorbthediluteddetergentintoasponge.
3.Squeezeexcessliquidfromthesponge.
4.Wipethecoverwiththesponge,usingacircularmotionandtakingcarenottoletanyexcessliquiddrip.
5.Wipethesurfacetoremovethedetergent.
6.Rinsethespongewithcleanrunningwater.
7.Wipethecoverwiththecleansponge.
8.Wipethesurfaceagainwithadry,soft,lint-freecloth.
9.Waitforthesurfacetodrycompletelyandremoveanyfibersfromthecloth.
82UserGuide