DANGER
Thereisadangerofanexplosionifthebackupbatteryisincorrectlyplaced.Thelithiumbattery
containslithiumandcanexplodeifitisnotproperlyhandled,ordisposedof.Replaceonlywitha
batteryofthesametype.Toavoidpossibleinjuryordeath,donot:(1)throworimmerseintowater,
(2)allowittoheattomorethan100°C(212°F),or(3)attempttorepairordisassembleit.Disposeof
itasrequiredbylocalordinancesorregulationsandyourcompany'ssafetystandards.
Connectingtothenetwork
YourcomputerhasoneormorenetworkcardsforconnectingtotheInternetandtoyourcompany'swired
LANorwirelessLANnetwork.
Note:Somemodelscomewithabuilt-inwir elessWANcardenablingyoutoestablishwirelessconnections
overremotepublicorprivatenetworks.
TheAccessConnectionsprogramisaconnectivityassistantprogramforcreatingandmanaginglocation
proles.EachlocationprolestoresallthenetworkandInternetcongurationsettingsneededforconnecting
toanetworkinfrastructurefromaspeciclocationsuchasahomeoranofce.
Ethernetconnections
YoucanconnecttoyourlocalnetworkorabroadbandconnectionbyuseoftheEthernetfeaturebuiltinto
yourcomputer.IfyouareusingtheWindows7operatingsystem,theAccessConnectionsprogramalso
enablesyoutomanageyourlocationproles.Formoreinformation,see“AccessingLenovoprograms
ontheWindows7operatingsystem”onpage15.
DANGER
YourcomputerhasanEthernetconnector.Toavoidtheriskofelectricalshock,donotconnect
thetelephonecabletotheEthernetconnector.
Wirelessconnections
Wirelesscommunicationisthetransferofdatawithouttheuseofcablesbutbymeansofradiowavesonly .
Dependingonthewirelessdeviceusedinyourcomputer,youmightbeabletoconnecttothefollowing
categoriesofwir elessnetworks.
WirelessLAN
Awirelesslocalareanetwork(LAN)coversarelativelysmallgeographicarea,suchasanofcebuildingora
house.Devicesbasedonthe802.11standardscanconnecttothisnetwork.
Yourcomputercomeswithabuilt-inwirelessnetworkcardandacongurationutilitytohelpyoumake
wirelessconnectionsandmonitorthestatusofyourconnection,sothatyoucanstayconnectedtoyour
networkwhileyouareintheofce,inameetingroom,orathome,withnoneedforawiredconnection.
TipsforusingthewirelessLANfeature
Toachievethebestconnection,usethefollowingguidelines:
•PlaceyourcomputersothatthereareasfewobstaclesaspossiblebetweenthewirelessLANaccess
pointandthecomputer.
•Openyourcomputerdisplaytoanangleofslightlymorethan90degrees.
34UserGuide