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•Theswitchportandtheadapterhavethesameduplexsetting.

Ifyouconﬁguredtheadapterforfullduplex,ensurethattheswitchportisalsoconﬁguredforfullduplex.

Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultinlostconnections.

•Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.

CheckwithyourLANadministratorforthenecessarynetworkingsoftware.

Theadapterstopsworkingfornoapparentreason

Symptom:Theadapterstopsworkingfornoapparentreason.

Action:Thenetworkdriverﬁlesmaybecorruptormissing.Updatethedriverbyreferringtothe“Solution”

descriptionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.

TheWakeonLANfeatureisnotworking

Symptom:TheWakeonLAN(WOL)featureisnotworking.

Actions:

•MakesurethatWOLisenabledintheBIOSSetupUtilityprogram.

•Ifitis,checkwithyourLANadministratorforthenecessarysettings.

IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection

failsorerrorsoccur

Symptom:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,theconnection

failsorerrorsoccur.

Actions:

•UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.

•Connecttoa1000BASE-Thub/switch(not1000BASE-X).

IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.Instead,

itconnectsat100Mbps

Symptom:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.

Instead,itconnectsat100Mbps.

Actions:

•Tryanothercable.

•Makesurethatthelinkpartnerissettoauto-negotiate.

•Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).

AwirelessLANproblem

Symptom:Youcannotconnectusingthebuilt-inwirelessnetworkingcard.

Actions:

•MakesurethatyourwirelessLANdriveristhelatestversion.ChecktheWebsiteandverifythedriver

versionsupportedbyAccessConnectionsisthelatestdocumentedinthereadmeﬁle.

•Makesurethatyourcomputeriswithinrangeofawirelessaccesspoint.

•Makesurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconinthe

Windowsnotiﬁcationarea.

•CheckNetworkName(SSID),andyourencryptioninformation.UseAccessConnectionstoverifythis

case-sensitiveinformation.

144ThinkCentreM83,M93/pUserGuide

Lenovo 10A4 User Manual

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