ThinkPad S540 - Problems with the Keyboard and Other Pointing Devices

–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.
AwirelessWANproblem
Problem:AmessageisdisplayedindicatingthatanunauthorizedWANcardisinstalled.
Solution:TheWANcardisnotsupportedonthiscomputer.RemovetheWANcard.
Note:SomemodelsdonothaveawirelessWANcard.
Bluetoothproblems
Note:CheckyourconnectionanytimeandmakesurethatnootherBluetooth-enableddeviceissearchingfor
thedevicetowhichyouwanttoconnect.SimultaneoussearchingisnotallowedintheBluetoothconnection.
•Problem:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfromthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetprofileorAVprofile.
Solution:Dothefollowing:
1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.OpenControlPanelandclickHardwareandSound➙Sound➙Playback.
3.IfyouareusingaHeadsetprofile,selectBluetoothHands-freeAudioandclicktheSetDefault
button.IfyouareusinganAVprofile,selectStereoAudioandclicktheSetDefaultbutton.
4.ClickOKtoclosetheSoundwindow.
•Problem:PIMitemssentfromtheWindows7operatingsystemscannotbereceivedcorrectlyintothe
addressbookofanyotherBluetooth-enableddevice.
Solution:TheWindows7operatingsystemsendsPIMitemsinXMLformat,butmostBluetooth-enabled
deviceshandlePIMitemsinvCardformat.IfanotherBluetooth-enableddevicecanreceiveafilethrough
Bluetooth,aPIMitemsentfromtheWindows7mightbesavedasafilewiththeextension.contact.
Problemswiththekeyboardandotherpointingdevices
Thefollowingarethemostcommonproblemswithkeyboardsandotherpointingdevices.
ThinkPadpointingdeviceproblems
•Problem:Thepointerdriftswhenthecomputeristurnedonorafteritresumesnormaloperation.
Chapter10.Troubleshootingcomputerproblems111