Solution:
MakesurethatWakeonLANisenabledinThinkPadSetup.
Ifitis,checkwithyourLANadministratorforthenecessarysettings.
Problem:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.
Solution:
Tryanothercable.
Makesurethatthelinkpartnerissettoauto-negotiate.
Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).
AwirelessLANproblem
Problem:Youcannotconnecttothenetworkusingthebuilt-inwirelessnetworkcard.
Solution:
IfyourcomputerisinstalledwithWindows7operatingsystem,ensurethat:
YourwirelessLANdriveristhelatestversion.ChecktheWebsiteandconrmthatthedriverversion
supportedbytheAccessConnectionsprogramisthelatestdocumentedinthereadmele.
Yourcomputeriswithinrangeofawirelessaccesspoint.
Thewirelessradioisenabledbydouble-clickingtheAccessConnectionsicononthetaskbar.
Note:IfyouareusingtheWindows7operatingsystem,clickShowhiddeniconsonthetaskbar.
TheAccessConnectionsiconisdisplayed.Formoreinformationabouttheicon,refertotheAccess
Connectionshelpinformationsystem.
ChecktheNetworkName(SSID)andyourencryptioninformation.UsetheAccessConnectionsprogram
toverifythiscase-sensitiveinformation.
IfyoursystemisinstalledwithWindows8operatingsystem,ensurethat:
YourwirelessLANdriveristhelatestversion.
Yourcomputeriswithinrangeofawirelessaccesspoint.
Thewirelessradioisenabled.
TheAirplanemodeisoff.
AwirelessWANproblem
Problem:AmessageisdisplayedindicatingthatanunauthorizedWANcardisinstalled.
Solution:TheWANcardisnotsupportedonthiscomputer.Removeit.
Note:Dependingonyourcomputer,somemodelsdonothaveawirelessWANcard.
Bluetoothproblems
Problem:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfr omthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetproleorAVprole.
Solution:Dothefollowing:
1.Exittheprogramthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.GotoControlPanelandclickHardwareandSoundSoundPlayback.
Chapter9.Troubleshootingcomputerproblems129