Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverlesmightbecorruptormissing.Updatethedriverbyreferringtotheabove
solutionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.
Problem:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,the
connectionfailsorerrorsoccur.
Solution:
UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.
Connecttoa1000BASE- Thub/switch(not1000BASE-X).
Problem:TheWakeonLANfeatureisnotworking.
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.
Chapter9.Tr oubleshootingcomputerproblems131