Step1.Istheserverpartofacluster?
•No:Gotostep2.
•Yes:Shutdownallfailingserversthatarerelatedtothecluster.Gotostep2.
Step2.Completethefollowingsteps:
a.CheckthepowersupplyLEDs(see“Power-supplyLEDs”onpage93).
b.Turnofftheserverandallexternaldevices.
c.Checkallinternalandexternaldevicesforcompatibilityathttp://www.lenovo.com/
serverproven/.
d.Checkallcablesandpowercords.
e.Setalldisplaycontrolstothemiddlepositions.
f.Turnonallexternaldevices.
g.Turnontheserver.Iftheserverdoesnotstart,see“Troubleshootingbysymptom”onpage101.
h.Checkthesystem-errorLEDontheoperatorinformationpanel.Ifitislit,checkthelightpath
diagnosticsLEDs(see“Diagnostictools”onpage89).
i.Checkforthefollowingresults:
•SuccessfulcompletionofPOST(see“POST”onpage98
formoreinformation).
•Successfulcompletionofstartup,whichisindicatedbyareadabledisplayofthe
operating-systemdesktop.
Step3.Isthereareadableimageonthemonitorscreen?
•No:Findthefailuresymptomin“Troubleshootingbysymptom”onpage101;ifnecessary,see
“Solvingundeterminedproblems”onpage116.
•Yes:RunDSA(see“RunningDSAPrebootdiagnosticprograms”onpage99).
–IfDSAreportsanerror,followtheinstructionsinAppendixC“DSAdiagnostictestresults”on
page423.
–IfDSAdoesnotreportanerrorbutyoustillsuspectaproblem,see“Solvingundetermined
problems”onpage116.
Diagnostictools
Thefollowingtoolsareavailabletohelpyoudiagnoseandsolvehardware-relatedproblems.
•Eventlogs
Theeventlogslisttheerrorcodesandmessagesthataregeneratedwhenanerrorisdetectedforthe
subsystemsIMM2,POST,DSA,andtheserverbaseboardmanagementcontroller.See“Eventlogs”on
page96
formoreinformation.
•IntegratedmanagementmoduleII
TheIntegratedManagementModuleII(IMM2)combinesserviceprocessorfunctions,videocontroller,
andremotepresenceandblue-screencapturefeaturesinasinglechip.TheIMM2providesadvanced
service-processorcontrol,monitoring,andalertingfunction.Ifanenvironmentalconditionexceedsa
thresholdorifasystemcomponentfails,theIMM2lightsLEDstohelpyoudiagnosetheproblem,records
theerrorintheIMM2eventlog,andalertsyoutotheproblem.Optionally,theIMM2alsoprovidesavirtual
presencecapabilityforremoteservermanagementcapabilities.TheIMM2providesremoteserver
managementthroughthefollowingindustry-standardinterfaces:
–IntelligentPlatformManagementProtocol(IPMI)version2.0
–SimpleNetworkManagementProtocol(SNMP)version3
Chapter4.Troubleshooting89