Lenovo Yoga 11e User's Guide Page 99

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Ifyouconfiguredtheadapterforfullduplex,makesurethattheswitchportalsoisconfiguredforfull
duplex.Settingwrongduplexmodecandegradeperformance,causedataloss,orresultinlost
connections.
Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverfilesmightbecorruptormissing.Updatethedriverbyreferringtothe
previoussolutionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.
Problem:MycomputerisaGigabitEthernetmodelandIuseaspeedof1000Mbps,buttheconnection
failsorerrorsoccur.
Solution:
UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.
Connecttoa1000BASE-Thub/switch(not1000BASE-X).
Problem:TheWakeonLANfeatureisnotworking.
Solution:EnsurethatWakeonLANisenabledinThinkPadSetup.Ifitis,checkwithyourLAN
administratorforthenecessarysettings.
Problem:MycomputerisaGigabitEthernetmodel,butthecomputercannotconnecttothenetworkat
1000Mbps.Instead,itconnectsat100Mbps.
Solution:
Tryanothercable.
Makesurethatthelinkpartnerissettoauto-negotiate.
Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).
AwirelessLANproblem
Problem:Icannotconnecttothenetworkusingthebuilt-inwirelessnetworkcard.
Solution:Makesurethat:
YourwirelessLANdriveristhelatestversion.
Yourcomputeriswithinrangeofawirelessaccesspoint.
Thewirelessradioisenabled.
Note:IfyouareusingtheWindows7operatingsystem,clickShowhiddeniconsonthetaskbar.The
AccessConnectionsiconisdisplayed.Formoreinformationabouttheicon,refertotheAccessConnections
helpinformationsystem.
FortheWindows7operatingsystem,checktheNetworkName(SSID)andyourencryptioninformation.Use
theAccessConnectionsprogramtoverifythiscase-sensitiveinformation.
Bluetoothproblems
Note:CheckyourconnectionanytimeandmakesurethatnootherBluetooth-enableddeviceissearchingfor
thedevicetowhichyouwanttoconnect.SimultaneoussearchingisnotallowedintheBluetoothconnection.
Problem:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfromthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetprofileorAVprofile.
Solution:Dothefollowing:
Chapter7.Troubleshootingproblems83
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