a.CheckthepowersupplyLEDs.See“Power-supplyLEDs”onpage54.
b.Turnofftheserverandallexternaldevices.
c.Checkallinternalandexternaldevicesforcompatibilityathttp://www.lenovo.com/
serverproven/.
d.Checkallcablesandpowercords.
e.Setalldisplaycontrolstothemiddlepositions.
f.Turnonallexternaldevices.
g.Turnontheserver.Iftheserverdoesnotstart,see“Troubleshootingbysymptom”onpage61.
h.Checkthesystem-errorLEDontheoperatorinformationpanel.Ifitislit,checkthelightpath
diagnosticsLEDs.See“Lightpathdiagnostics”onpage53.
i.Checkforthefollowingresults:
•SuccessfulcompletionofthePOST.(see“POST”onpage58
)
•Successfulcompletionofstartup,whichisindicatedbyareadabledisplayofthe
operating-systemdesktop
Step3.Isthereareadableimageonthemonitorscreen?
•No:Findthefailuresymptomin“Troubleshootingbysymptom”onpage61
;ifnecessary,see
“Solvingundeterminedproblems”onpage72.
•Yes:RunDSA.See“RunningDSAPrebootdiagnosticprogram”onpage59.
–IfDSAreportsanerror,followtheinstructionsinAppendixC“DSAdiagnostictestresults”on
page503.
–IfDSAdoesnotreportanerrorbutyoustillsuspectaproblem,see“Solvingundetermined
problems”onpage72.
Diagnostictools
Thefollowingtoolsareavailabletohelpyoudiagnoseandsolvehardware-relatedproblems.
•Lightpathdiagnostics
Uselightpathdiagnosticstodiagnosesystemerrorsquickly.Formoreinformation,see“Lightpath
diagnostics”onpage53.
•Eventlogs
Theeventlogslisttheerrorcodesandmessagesthataregeneratedwhenanerrorisdetected.For
moreinformation,see“Eventlogs”onpage56.
•IntegratedManagementModuleII(IMM2)
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
–CommonInformationModel(CIM)
–Webbrowser
Chapter5.Troubleshooting51