ChecktheLEDsonallthepowersupplies.IftheLEDsindicatethatthepowersuppliesareworking
correctly,dothefollowing:
1.Turnofftheserver.
2.Makesurethattheserveriscabledcorrectly.
3.Removeordisconnectthefollowingdevices,oneatatime,untilyoundthefailure.Turnontheserver
andrecongureiteachtime.
•Anyexternaldevices
•Surge-suppressordevice(ontheserver)
•Modem,printer,mouse,andnon-Lenovodevices
•Eachadapter
•Harddiskdrives
•Memorymodules:theminimumcongurationrequirementis1GBDIMMpermicroprocessor(2GB
inatwo-microprocessorconguration)
Thefollowingminimumcongurationisr equiredfortheservertostart:
•Onemicroprocessor
•One1GBDIMM
•Onepowersupply
•Powercord
•ServeRAIDSASadapter
•Systemboardassembly
4.T urnontheserver.Iftheproblemremains,suspectthefollowingcomponentsinthefollowingorder:
a.Powersupply
b.Power-supplycage
c.Memory
d.Microprocessor
e.Systemboard
Iftheproblemissolvedwhenyouremoveanadapterfromtheserverbuttheproblemrecurswhenyou
reinstallthesameadapter ,suspecttheadapter;iftheproblemrecurswhenyoureplacetheadapterwitha
differentone,suspectthesystemboardorextendercard.
Ifyoususpectanetworkingproblemandtheserverpassesallthesystemtests,suspectanetworkcabling
problemthatisexternaltotheserver.
Eventlogs
Errorcodesandmessagesaredisplayedinthefollowingtypesofeventlogs:
•POSTeventlog:Thislogcontainsthethreemostrecenterrorcodesandmessagesthatweregenerated
duringthePOST.
•System-eventlog:ThislogcontainsallthePOSTandsystemmanagementinterrupt(SMI)events.You
canviewthesystem-eventlogthroughtheSetupUtilityprogramandthroughtheastheIPMIevent
log.Thesystem-eventlogislimitedinsize.Whenitisfull,newentrieswillnotoverwriteexistingentries;
therefore,youmustperiodicallysaveandthenclearthesystem-eventlogthroughtheSetupUtility
program.Whenyouaretroubleshooting,youmighthavetosaveandthenclearthesystem-eventlogto
makethemostrecenteventsavailableforanalysis.
Chapter7.Troubleshooting103