Lenovo ThinkServer TD350 70DG - Diagnostics

Chapter7.Troubleshootinganddiagnostics
Thischapterprovidesinformationaboutbasictroubleshootinganddiagnosticmethodstohelpyousolve
problemsthatmightoccurintheserver.
Ifyoucannotdiagnoseandcorrectaproblembyusingtheinformationinthischapter,seeChapter8
“Gettinginformation,help,andservice”onpage185foradditionaltroubleshootingresources.
Troubleshootingprocedure
Usethefollowinginformationasageneralprocedurefordiagnosingandtroubleshootingproblemsyou
experiencewithyourserver:
1.Verifythatthepowercordsandthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythattheserverandallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,
functioningelectricaloutlets.
3.VerifythatallinstalledhardwareandattacheddevicesareenabledintheBIOSsettingsofyourserver.
FormoreinformationaboutaccessingandchangingtheBIOSsettings,see“UsingtheSetupUtility
program”onpage55
.
4.ViewthestatusanddiagnosticLEDstoidentifythesystemanddevicestatusanddiagnoseproblems.
See“ViewingthestatusanddiagnosticLEDs”onpage179.
5.Iftheserverisnotworkingafteryouhaveaddednewsoftware,installedanewoptionaldevice,or
replacedapieceofhardware,removeorreinstallthesoftwareordevicetoseeiftheproblemcould
besolved.
6.ViewtheSELtodiagnoseproblems.See“Viewingthesystemeventlog”onpage179.
7.TurnontheserverandpressEscassoonasyouseethelogoscreentoviewanydiagnosticmessages.
8.Referto“Basictroubleshootingtables”onpage180andfollowtheinstructionsforthetypeofproblem
youareexperiencing.Ifthebasictroubleshootinginformationdoesnothelpyouresolveaproblem,
continuewiththenextstep.
9.Tryusingapreviousserverconfigurationtoseeifarecentchangetohardwareorsoftwaresettingshas
causedaproblem.Beforerestoringyourpreviousconfiguration,captureyourcurrentconfigurationin
casetheolderconfigurationsettingsdonotsolvetheproblemorhaveadverseeffect.
10.Useanantivirusprogramtoseeifyourserverhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
11.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.SeeChapter8“Getting
information,help,andservice”onpage185.
ViewingthestatusanddiagnosticLEDs
YourserverhasstatusanddiagnosticLEDsonthefrontpanel,theDITpanel(variesbymodel),therearpanel
(EthernetstatusLEDs),thesystemboard,thehot-swapinternalstoragedrives(ifsupported),andtheoptical
drives.ThevariousLEDshelpyoueasilyidentifythesystemanddevicestatusanddiagnoseproblems.For
informationabouttheLEDs,refertotherelatedtopicsin“Locations”onpage17
.
Viewingthesystemeventlog
Thesystemeventlog(SEL)containsinformationaboutallthePOSTandsystemmanagementinterrupt(SMI)
events.YoucanviewtheSELtodiagnosesystemproblems.
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