Lenovo ThinkServer RD230 Manual de usuario Pagina 103

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SymptomAction
Theserveremitsacontinuous
beepduringthePOST,
indicatingthatthestartup
(boot)microprocessorisnot
workingcorrectly.
1.Makesurethattheserversupportsallthemicroprocessorsandthatthe
microprocessorsmatchinspeedandcachesize.
2.(Trainedservicetechnicianonly)Reseatmicroprocessor1.
3.(Trainedservicetechnicianonly)Ifthereisnoindicationofwhichmicroprocessor
hasfailed,isolatetheerrorbytestingwithonemicroprocessoratatime.
4.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.(Trainedservicetechnicianonly)Microprocessor2
b.VRM2
c.(Trainedservicetechnicianonly)Systemboard
5.(Trainedservicetechnicianonly)Ifmultipleerrorcodesindicateamicroprocessor
error,reversethelocationsoftwomicroprocessorstodeterminewhetherthe
errorisassociatedwithamicroprocessororwithamicroprocessorsocket.
Iftheerrorisassociatedwithamicroprocessor,replacethemicroprocessor.
IftheerrorisassociatedwithaVRM,replacetheVRM.
Iftheerrorisassociatedwithamicroprocessorsocket,replacethesystem
board.
Monitorproblems
Somemonitorshavetheirownself-tests.Ifyoususpectaproblemwithyourmonitor,seethedocumentation
thatcomeswiththemonitorforinstructionsfortestingandadjustingthemonitor.
FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
Testingthemonitor
1.Makesurethatthemonitorcablesarermlyconnected.
2.Tryusingadifferentmonitorontheserver,ortryusingthemonitorthatisbeing
testedonadifferentserver.
3.Runthediagnosticprograms.Ifthemonitorpassesthediagnosticprograms,
theproblemmightbeavideodevicedriver.
4.(Trainedservicetechnicianonly)Replacethesystemboard.
Thescreenisblank.
1.IftheserverisattachedtoaKVMswitch,bypasstheKVMswitchtoeliminateit
asapossiblecauseoftheproblem:connectthemonitorcabledirectlytothe
correctconnectorontherearoftheserver.
2.Makesurethat:
Theserveristurnedon.Ifthereisnopowertotheserver,see“Power
problems”onpage93
.
Themonitorcablesareconnectedcorrectly.
Themonitoristurnedonandthebrightnessandcontrastcontrolsare
adjustedcorrectly.
NoPOSTerrorsaregeneratedwhentheserveristurnedon.
3.Makesurethatthecorrectserveriscontrollingthemonitor,ifapplicable.
4.See“Solvingundeterminedproblems”onpage96.
Chapter7.Troubleshooting91
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