User Guide
SomeThinkPadmodelshaveaPCIExpressMiniCardslotforconnectiontoawirelessWAN.Toreplacethe
PCIExpressMiniCardwithanewone,readthefollowingprerequisites.
Prerequisitesfortheprocedure
DANGER
Duringelectricalstorms,donotconnectthecabletoordisconnectitfromthetelephoneoutlet
onthewall.
DANGER
Electriccurrentfrompower,telephone,andcommunicationcablesishazardous.T oavoidshock
hazard,disconnectthecablesbeforeopeningthecoverofthisslot.
Attention:BeforeyoustartinstallingaPCIExpressMiniCard,touchametaltableoragroundedmetal
object.Thisactionreducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethecard.
IfaWirelessWANisavailableinyourcomputer,toreplacethePCIExpressMiniCard,doasfollows.
1.Turnoffthecomputer;thendisconnecttheacpoweradapterandallcablesfromthecomputer.Waitfor
afewminutes,tilltheinsideofthecomputercools,beforeyoustartthefollowingprocedures.
2.Closethecomputerdisplay,andturnthecomputerover.
3.Removethebattery.Fordetails,refertotheinstructionsin“Removethebattery”onpage116.
4.Removethekeyboard.Fordetails,refertotheinstructionsin“Replacingthekeyboard”onpage118.
5.Removethepalmrest.Fordetails,refertotheinstructionsin“Removethepalmrest”onpage122.
6.Ifatoolforremovingconnectorsisincludedinthepackagewiththenewcard,useittodisconnectthe
cablesfromthecard.Ifnosuchtoolisincluded,disconnectthecablesbypickinguptheconnectors
withyourngersandgentlyunpluggingthem.
Note:Dependingonthesystemcongurationofyourcomputer,thecardmayhaveonlyoneconnector.
138UserGuide