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.ChecktheWebsiteandconrmthatthedriverversion
supportedbytheAccessConnectionsprogramisthelatestdocumentedinthereadmele.
–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/headphonebutcomesfromthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetproleorAVprole.
Solution:Dothefollowing:
1.Exittheprogramthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.GotoControlPanelandclickHardwareandSound➙Sound➙Playback.
Chapter9.Troubleshootingcomputerproblems115
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