Lenovo ThinkPad X131e User Manual

2.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST)errormessages.
3.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
4.Verifythepropermemorycongurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
5.Rundiagnosticprograms.See“Diagnosingproblems”onpage111.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:
Ethernetproblems
•Problem:Yourcomputercannotconnecttothenetwork.
Solution:Makesurethat:
–Thecableisinstalledcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetconnectorofyourcomputerand
totheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis
100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblem
persists,tryadifferentcable.
–Youareusingthecorrectdevicedriver.
1.OpenControlPanelandclickHardwareandSound➙DeviceManager.Ifyouarepromptedfor
anadministratorpasswordorconrmation,typethepasswordorprovideconrmation.
2.Iftheexclamationmark!isdisplayednexttotheadapternameunderNetworkadapters,you
mightnotbeusingthecorrectdriverorthedrivermighthavebeendisabled.Toupdatethedriver,
right-clickthehighlightedadapter.
3.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
–Theswitchportandtheadapterhavethesameduplexsetting.
Ifyouconguredtheadapterforfullduplex,makesurethattheswitchportalsoisconguredfor
fullduplex.Settingthewrongduplexmodecandegradeperformance,causedataloss,orresultin
lostconnections.
–Youhaveinstalledallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
•Problem:Theadapterstopsworkingfornoapparentreason.
Solution:Thenetworkdriverlesmightbecorruptormissing.Updatethedriverbyreferringtotheabove
solutionfortheproceduretomakesurethatthecorrectdevicedriverisinstalled.
•Problem:IfyourcomputerisaGigabitEthernetmodelandyouuseaspeedof1000Mbps,the
connectionfailsorerrorsoccur.
Solution:
–UseCategory5wiringandmakesurethatthenetworkcableissecurelyconnected.
–Connecttoa1000BASE-Thub/switch(not1000BASE-X).
•Problem:TheWakeonLANfeatureisnotworking.
Solution:
–MakesurethatWakeonLANisenabledinThinkPadSetup.
–Ifitis,checkwithyourLANadministratorforthenecessarysettings.
116UserGuide

Lenovo ThinkPad X131e Specifications

General

Display diagonal	11.6 \
Display resolution	1366 x 768 pixels
Indication light	Yes
Infrared data port	No
Internal memory	2 GB
Memory clock speed	1600 MHz

Weight and Dimensions

Depth	216 mm
Height	32.3 mm