Lenovo THINKPAD L520 User Manual

•Storeyourexternalandremovableharddiskoropticaldrivesintheappropriatecontainersorpackaging
whentheyarenotbeingused.
•Beforeyouinstallanyofthefollowingdevices,touchametaltableoragroundedmetalobject.Thisaction
reducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
–Memorymodule
–Mini-PCICard
–ExpressCard
–Smartcard
–MemoryCard,suchasSDCard,andMultiMediaCard
Note:Notalllisteddevicesareincludedinyourcomputer.
Thisactionreducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
•WhentransferringdatatoorfromaFlashMediaCard,suchasanSDcard,donotputyourcomputer
insleep(standby)orhibernationmodebeforethedatatransferiscomplete.Todosomightcause
damagetoyourdata.
Takecareinsettingpasswords
•Rememberyourpasswords.Ifyouforgetasupervisororharddiskpassword,Lenovowillnotresetit,and
youmighthavetoreplaceyoursystemboard,orharddiskdriveorsolidstatedrive.
Careforthengerprintreader
Thefollowingactionscoulddamagethengerprintreaderorcauseitnottoworkproperly:
•Scratchingthesurfaceofthereaderwithahard,pointedobject.
•Scrapingthesurfaceofthereaderwithyourngernailoranythinghard.
•Usingortouchingthereaderwithadirtynger.
Ifyounoticeanyofthefollowingconditions,gentlycleanthesurfaceofthereaderwithadry,soft,lint-free
cloth:
•Thesurfaceofthereaderisdirtyorstained.
•Thesurfaceofthereaderiswet.
•Thereaderoftenfailstoenrollorauthenticateyourngerprint.
Registeryourcomputer
•RegisteryourThinkPadproductswithLenovo(refertotheWebsitehttp://www.lenovo.com/register).This
canhelpauthoritiesreturnyourcomputertoyouifitislostorstolen.Registeringyourcomputeralso
enablesLenovotonotifyyouaboutpossibletechnicalinformationandupgrades.
Besurenottomodifyyourcomputer
•OnlyanauthorizedThinkPadrepairtechnicianshoulddisassembleandrepairyourcomputer.
•Donotmodifyortapethelatchestokeepthedisplayopenorclosed.
Cleaningthecoverofyourcomputer
Occasionallycleanyourcomputerasfollows:
1.Prepareamixtureofagentlekitchen-usedetergent(onethatdoesnotcontainabrasivepowderor
strongchemicalssuchasacidoralkaline).Use5partswaterto1partdetergent.
2.Absorbthediluteddetergentintoasponge.
154UserGuide

Lenovo THINKPAD L520 Specifications

General

HDD speed	5400 RPM
HDD capacity	320 GB
HDD interface	SATA
Processor cache	3 MB
Processor front side bus	1333 MHz
Display diagonal	15.6 \
Display resolution	1600 x 900 pixels
AC adapter power	65 W
Speaker power	1.5 W
Ethernet LAN	Yes