Server User Manual

Chapter7.Troubleshootinganddiagnostics
Thischapterprovidesinformationaboutbasictroubleshootinganddiagnosticmethodstohelpyousolve
problemsthatmightoccurintheserver.
Ifyoucannotdiagnoseandcorrectaproblembyusingtheinformationinthischapter,seeChapter8
“Gettinginformation,help,andservice”onpage159
foradditionaltroubleshootingresources.
Troubleshootingprocedure
Usethefollowinginformationasageneralprocedurefordiagnosingandtroubleshootingproblemsyou
experiencewithyourserver:
1.Verifythatthepowercordsandthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythattheserverandallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,
functioningelectricaloutlets.
3.VerifythatallinstalledhardwareandattacheddevicesareenabledintheBIOSsettingsofyourserver.
FormoreinformationaboutaccessingandchangingtheBIOSsettings,see“UsingtheSetupUtility
program”onpage45
.
4.ViewthestatusanddiagnosticLEDstoidentifythesystemanddevicestatusanddiagnoseproblems.
See“ViewingthestatusanddiagnosticLEDs”onpage153
.
5.Iftheserverisnotworkingafteryouhaveaddednewsoftware,installedanewoptionaldevice,or
replacedapieceofhardware,removeorreinstallthesoftware,device,orhardwaretoseeiftheproblem
couldbesolved.
6.Viewthesystemeventlogtodiagnoseproblems.See“Viewingthesystemeventlog”onpage153.
7.TurnontheserverandpressEscassoonasyouseethelogoscreentoviewanydiagnosticmessages.
8.Referto“Basictroubleshootingtables”onpage154andfollowtheinstructionsforthetypeofproblem
youareexperiencing.Ifthebasictroubleshootinginformationdoesnothelpyouresolveaproblem,
continuewiththenextstep.
9.Tryusingapreviousservercongurationtoseeifarecentchangetohardwareorsoftwaresettingshas
causedaproblem.Beforerestoringyourpreviousconguration,captureyourcurrentcongurationin
casetheoldercongurationsettingsdonotsolvetheproblemorhaveadverseeffect.
10.Useanantivirusprogramtoseeifyourserverhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
11.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.SeeChapter8“Getting
information,help,andservice”onpage159.
ViewingthestatusanddiagnosticLEDs
YourserverhasstatusanddiagnosticLEDsonthefrontpanel,therearpanel,thepanelofthediagnostic
module(variesbymodel),thesystemboard,thehot-swapharddiskdrives,andtheopticaldrive(if
supported).ThevariousLEDshelpyoueasilyidentifythesystemanddevicestatusanddiagnoseproblems.
ForinformationabouttheLEDs,refertotherelatedtopicsin“Locations”onpage13
.
Viewingthesystemeventlog
Thesystemeventlog(SEL)containsinformationaboutallthePOSTandsystemmanagementinterrupt(SMI)
events.YoucanviewtheSELtodiagnosesystemproblems.
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