2.Iftheexclamationmark!isdisplayednexttotheadapternameunderNetworkadapters,you
mightnotbeusingthecorrectdriverorthedrivermighthavebeendisabled.Toupdatethedriver ,
right-clickthehighlightedadapter.
3.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
–Theswitchconnectorandtheadapterhavethesameduplexsetting.
Ifyouconguredtheadapterforfullduplex,makesurethattheswitchconnectoralsoiscongured
forfullduplex.Settingwrongduplexmodecandegradeperformance,causedataloss,orresultin
lostconnections.
–Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
•Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverlesmightbecorruptormissing.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:Icannotconnectt othenetworkusingthebuilt-inwirelessnetworkcard.
Solution:Makesurethat:
•YourwirelessLANdriveristhelatestversion.
•Yourcomputeriswithinrangeofawir elessaccesspoint.
•Thewirelessradioisenabled.
Bluetoothproblems
Note:CheckyourconnectionanytimeandmakesurethatnootherBluetooth-enableddeviceissearchingfor
thedevicetowhichyouwanttoconnect.SimultaneoussearchingisnotallowedintheBluetoothconnection.
•Problem:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfr omthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetpr oleorAVprole.
Solution:Dothefollowing:
1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).
86UserGuide