Users Manual

–Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconguredtheadapterforfullduplex,ensurethattheswitchportalsoisconguredforfull
duplex.Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlost
connections.
–Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
•Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverlesmightbecorruptormissing.Updatethedriverbyreferringtotheabove
solutionfortheproceduretoensurethatthecorrectdevicedriverisinstalled.
•Problem:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,the
connectionfailsorerrorsoccur.
Solution:
–UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.
–Connecttoa1000BASE-Thub/switch(not1000BASE-X)
•Problem:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.
Solution:
–Tryanothercable.
–Makesurethatthelinkpartnerissettoauto-negotiate.
–Makesurethattheswitchis802.3ab-compliant(gigabitovercopper)
AwirelessLANproblem
Problem:Youcannotconnecttothenetworkusingthebuilt-inwirelessnetworkcard.
Solution:EnsurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandconrmthatthe
driverversionsupportedbytheAccessConnectionsprogramisthelatestdocumentedinthereadmele.
Ensurethatyourcomputeriswithinrangeofawirelessaccesspoint.
Ensurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsicononthetaskbar.
Note:ClickShowhiddeniconsonthetaskbar.TheAccessConnectionsiconisdisplayed.Formore
informationabouttheicon,refertotheAccessConnectionshelpinformationsystem.
ChecktheNetworkName(SSID)andyourencryptioninformation.UsetheAccessConnectionsprogramto
verifythiscase-sensitiveinformation.
AwirelessWANproblem
Problem:AmessageisdisplayedindicatingthatanunauthorizedWANcardisinstalled.
Solution:TheWANcardisnotsupportedonthiscomputer.CallLenovoCustomerServiceCenterto
haveitserviced
Note:Dependingonyourcomputer,somemodelsdonothaveawirelessWANcard.
90UserGuide