Operation Manual

Ifthiserrorhappensataservicecenter,Lenovoauthorizedservicepersonnelwillcleanupthenon-volatile
systemUEFIvariablestorageusingtheabovesolution.
Beeperrors
Table5.Beeperrors
Beeps
Solution
Oneshortbeep,pause,threeshortbeeps,pause,three
moreshortbeeps,pause,andoneshortbeep(1-3-3-1
beeps)
Memoryproblem.Shutdownthecomputerimmediately
andhavethecomputerserviced.
OnelongandtwoshortbeepsVideoproblem.Shutdownthecomputerimmediatelyand
havethecomputerserviced.
Threeshortbeeps,pause,oneshortbeep,pause,one
shortbeep,pause,andthreemoreshortbeeps(3-1-1-3
beeps)
PCIresourceproblem.Shutdownthecomputer
immediatelyandhavethecomputerserviced.
Fourcyclesoffourshortbeeps
TCG
*
-compliantfunctionality-relatedproblem(mightbe
theTPMinitializationfailure).Shutdownthecomputer
immediatelyandhavethecomputerserviced.
*
TCGistheabbreviationforTrustedComputingGroup.
Fiveshortbeeps
Systemboardproblem.Shutdownthecomputer
immediatelyandhavethecomputerserviced.
Fiveshortbeeps,pause,fivemoreshortbeeps,and
pause
TCG-compliantfunctionality-relatedproblem(might
betheBIOScodevalidationfailure).Shutdownthe
computerimmediatelyandhavethecomputerserviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeeptheinstructionswithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST).See“Errormessages”on
page98
.
2.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
3.Verifythepropermemoryconfigurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
4.RuntheLenovoSolutionCenterprogram.See“Diagnosingproblems”onpage97.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.
Ethernetproblems
•Problem:Thecomputercannotconnecttothenetwork.
Solution:Makesurethat:
–TheEthernetextensionadapterisconnectedcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetextensionadapterandtotheRJ45
connectorofthehub.Themaximumallowabledistancefromthecomputertohubis100meters.If
thecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblempersists,trya
differentcable.
100ThinkPadX1CarbonandThinkPadX1YogaUserGuide