Lenovo ThinkPad S430 - A Wireless Lan Problem

Ifyouconguredtheadapterforfullduplex,ensurethattheswitchportalsoisconguredforfull
duplex.Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlost
connections.
–Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
•Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverlesmightbecorruptormissing.Updatethedriverbyreferringtotheabove
solutionfortheproceduretoensurethatthecorrectdevicedriverisinstalled.
•Problem:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,the
connectionfailsorerrorsoccur.
Solution:
–UseCategory5wiringandensurethatthenetworkcableissecurelyconnected.
–Connecttoa1000BASE-Thub/switch(not1000BASE-X).
•Problem:TheWakeOnLANfeatureisnotworking.
Solution:
–EnsurethatWakeOnLANisenabledinThinkPadSetup.
–Ifithasbeenenabled,checkwithyourLANadministratorforthenecessarysettings.
•Problem:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.
Solution:
–Tryanothercable.
–Ensurethatthelinkpartnerissettoauto-negotiate.
–Ensurethattheswitchis802.3ab-compliant(gigabitovercopper).
AwirelessLANproblem
Problem:Youcannotconnecttothenetworkusingthebuilt-inwirelessnetworkcard.
Solution:
•IfyoursystemisinstalledwithWindows7operatingsystem,ensurethat:
–YourwirelessLANdriveristhelatestversion.ChecktheWebsiteandconrmthatthedriverversion
supportedbytheAccessConnectionsprogramisthelatestdocumentedinthereadmele.
–Yourcomputeriswithinrangeofawirelessaccesspoint.
–Thewirelessradioisenabledbydouble-clickingtheAccessConnectionsicononthetaskbar.
ChecktheNetworkName(SSID)andyourencryptioninformation.UsetheAccessConnectionsprogram
toverifythiscase-sensitiveinformation.
•IfyoursystemisinstalledwithWindows8operatingsystem,ensurethat:
–YourwirelessLANdriveristhelatestversion.
–Yourcomputeriswithinrangeofawirelessaccesspoint.
–Thewirelessradioisenabled.
–TheAirplanemodeisoff.
Chapter9.Troubleshootingcomputerproblems119