DANGER
Thereisadangerofanexplosionifthebackupbatteryisincorrectlyplaced.Thelithiumbattery
containslithiumandcanexplodeifitisnotproperlyhandled,ordisposedof.Replaceonlywitha
batteryofthesametype.T oavoidpossibleinjuryordeath,donot:(1)throworimmerseintowater,
(2)allowittoheattomorethan100°C(212°F),or(3)attempttorepairordisassembleit.Disposeof
itasrequiredbylocalordinancesorregulationsandyourcompany'ssafetystandards.
Connectingtothenetwork
YourcomputerhasoneormorenetworkadaptersforconnectingtotheInternetortoyourcompany'swired
LANorwirelessLANnetwork.
Note:Somemodelscomewithabuilt-inwirelessWANcardenablingyoutoestablishwirelessconnections
overremotepublicorprivatenetworks.
Ethernetconnections
YoucanconnecttoyourlocalnetworkorabroadbandconnectionbyuseoftheEthernetfeaturebuiltinto
yourcomputer.IfyouareusingtheWindows7operatingsystem,theAccessConnectionsprogramalso
enablesyoutomanageyourlocationproles.Formoreinformation,see“AccessingLenovoprograms
ontheWindows7operatingsystem”onpage13
.
DANGER
YourcomputerhasanEthernetconnector.Toavoidtheriskofelectricalshock,donotconnect
thetelephonecabletotheEthernetconnector.
Wirelessconnections
Wirelesscommunicationisthetransferofdatawithouttheuseofcablesbutbymeansofradiowavesonly.
Dependingonthewirelessdeviceusedinyourcomputer,youmightbeabletoconnecttothefollowing
categoriesofwirelessnetworks.
WirelessLAN
Awirelesslocalareanetwork(LAN)coversarelativelysmallgeographicarea,suchasanofcebuildingora
house.Devicesbasedonthe802.11standardscanconnecttothisnetwork.
Yourcomputercomeswithabuilt-inwirelessnetworkcardandacongurationutilitytohelpyoumake
wirelessconnectionsandmonitorthestatusofyourconnection,sothatyoucanstayconnectedtoyour
networkwhileyouareintheofce,inameetingroom,orathome,withnoneedforawiredconnection.
TipsforusingthewirelessLANfeature
Toachievethebestconnection,usethefollowingguidelines:
•PlaceyourcomputersothatthereareasfewobstaclesaspossiblebetweenthewirelessLANaccess
pointandthecomputer.
•Openyourcomputerdisplaytoanangleofslightlymorethan90degrees.
•Ifyouusethewirelessfeature(the802.11standard)ofyourcomputersimultaneouslywithaBluetooth
option,thedatatransmissionspeedcanbedelayedandtheperformanceofthewirelessfeaturecanbe
degraded.
Chapter2.Usingyourcomputer31