•Problem:IfyourcomputerisaGigabitEthernetmodel,itcannotconnecttothenetworkat1000Mbps.
Instead,itconnectsat100Mbps.
Solution:
–Tryanothercable.
–Makesurethatthelinkpartnerissettoauto-negotiate.
–Makesurethattheswitchis802.3ab-compliant(gigabitovercopper).
AwirelessLANproblem
Problem:Youcannotconnecttothenetworkusingthebuilt-inwirelessnetworkcard.
Solution:Makesurethat:
•YourwirelessLANdriveristhelatestversion.
•yourcomputeriswithinrangeofawirelessaccesspoint.
•Thewirelessradioisenabled.
Makesurethatthewirelessradioisenabledbydouble-clickingtheAccessConnectionsiconintheWindows
noticationarea.
FortheWindows7operatingsystem,checktheNetworkName(SSID)andyourencryptioninformation.Use
theAccessConnectionsprogramtoverifythiscase-sensitiveinformation.
Bluetoothproblems
•Problem:SounddoesnotcomefromtheBluetoothheadset/headphonebutcomesfromthelocal
speakereventhoughtheBluetoothheadset/headphoneisconnectedusingaHeadsetproleorAVprole.
Solution:Dothefollowing:
1.Exittheprogramthatusesthesounddevice(forexample,WindowsMediaPlayer).
2.OpenControlPanelandclickHardwareandSound➙Sound➙Playback.
3.IfyouareusingaHeadsetprole,selectBluetoothHands-freeAudioandclicktheSetDefault
button.IfyouareusinganAVprole,selectStereoAudioandclicktheSetDefaultbutton.
4.ClickOKtoclosetheSoundwindow.
•Problem:PIMitemssentfromtheWindows7operatingsystemscannotbereceivedcorrectlyintothe
addressbookofanyotherBluetooth-enableddevice.
Solution:TheWindows7operatingsystemsendPIMitemsinXMLformat,butmostBluetooth-enabled
deviceshandlePIMitemsinvCardformat.IfanotherBluetooth-enableddevicecanreceivealethrough
Bluetooth,aPIMitemsentfromtheWindows7mightbesavedasalewiththeextension.contact.
Problemswiththekeyboardandotherpointingdevices
Thefollowingarethemostcommonproblemswithkeyboardsandotherpointingdevices.
ThinkPadpointingdeviceproblems
•Problem:Thepointerdriftswhenthecomputeristurnedonorafteritresumesnormaloperation.
Solution:ThepointermightdriftwhenyouarenotusingtheTrackPointpointingdeviceduringnormal
operation.ThisisanormalcharacteristicoftheTrackPointpointingdeviceandisnotadefect.Pointer
driftingmightoccurforseveralsecondsunderthefollowingconditions:
–Whenthecomputeristurnedon
–Whenthecomputerresumesnormaloperation
Chapter9.Troubleshootingcomputerproblems105