Lenovo ThinkPad Edge E431 - Cleaning the Cover of Your Computer

•Storeyourexternalandremovableharddiskdriveoropticaldrivesintheappropriatecontainersor
packagingwhentheyarenotbeingused.
•Beforeyouinstallanyofthefollowingdevices,touchametaltableoragroundedmetalobject.Thisaction
reducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
–Memorymodule
–Mini-PCIcard
–Memorycard,suchasanSDcard,SDHCcard,SDXCcard,andaMultiMediaCard
Note:Notalllisteddevicesareincludedinyourcomputer.
Thisactionreducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
•Whiletransferringdatatoorfromaashmediacard,suchasanSDcard,donotputyourcomputerinto
sleeporhibernationmodebeforethedatatransferiscomplete;otherwise,yourdatacouldbecome
damaged.
Takecareinsettingpasswords
•Rememberyourpasswords.Ifyouforgetasupervisororharddiskpassword,Lenovowillnotresetit,
andyoumighthavetoreplaceyoursystemboardorharddiskdrive.
Careforthengerprintreader
Thefollowingactionscoulddamagethengerprintreaderorcauseitnottoworkproperly:
•Scratchingthesurfaceofthereaderwithahard,pointedobject.
•Scrapingthesurfaceofthereaderwithyourngernailoranythinghard.
•Usingortouchingthereaderwithadirtynger.
Ifyounoticeanyofthefollowingconditions,gentlycleanthesurfaceofthereaderwithadry,soft,lint-free
cloth:
•Thesurfaceofthereaderisdirtyorstained.
•Thesurfaceofthereaderiswet.
•Thereaderoftenfailstoenrollorauthenticateyourngerprint.
Registeryourcomputer
•RegisteryourThinkPadcomputerwithLenovoathttp://www.lenovo.com/register.Thiscanhelp
authoritiesreturnyourcomputertoyouifitislostorstolen.Registeringyourcomputeralsoenables
Lenovotonotifyyouaboutpossibletechnicalinformationandupgrades.
Besurenottomodifyyourcomputer
•OnlyanauthorizedThinkPadrepairtechnicianshoulddisassembleandrepairyourcomputer.
•Donotmodifyortapethelatchestokeepthedisplayopenorclosed.
Cleaningthecoverofyourcomputer
Occasionallycleanyourcomputerbydoingthefollowing:
1.Prepareamixtureofagentlekitchen-usedetergent(onethatdoesnotcontainabrasivepowderor
strongchemicalssuchasacidoralkaline).Use5partswaterto1partdetergent.
2.Absorbthediluteddetergentintoasponge.
3.Squeezeexcessliquidfromthesponge.
4.Wipethecoverwiththesponge,usingacircularmotionandtakingcarenottoletanyexcessliquiddrip.
122UserGuide