Computer Hardware User Manual

Microprocessorproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeeChapter7“Partslisting,RS210Types6531,6532,6533,and6534”onpage175todeterminewhich
componentsarecustomerreplaceableunits(CRU)andwhichcomponentsareeldreplaceableunits(FRU).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
aTrainedservicetechnician.
•GototheLenovosupportWebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
AmicroprocessorLEDislit
duringPOST,indicatingthat
themicroprocessorisnot
workingcorrectly.
1.Makesurethattheserversupportsthemicroprocessor.
2.(Trainedservicetechnicianonly)Makesurethatthemicroprocessorisseated
correctly.
3.(Trainedtheservicetechnicianonly)Reseatthemicroprocessor.
4.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.(Trainedservicetechnicianonly)Microprocessor
b.(Trainedservicetechnicianonly)Systemboard
Monitorproblems
Somemonitorshavetheirownself-tests.Ifyoususpectaproblemwithyourmonitor,seethedocumentation
thatcomeswiththemonitorforinstructionsfortestingandadjustingthemonitor.Ifyoucannotdiagnose
theproblem,callforservice.
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeeChapter7“Partslisting,RS210Types6531,6532,6533,and6534”onpage175todeterminewhich
componentsarecustomerreplaceableunits(CRU)andwhichcomponentsareeldreplaceableunits(FRU).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
aTrainedservicetechnician.
•GototheLenovosupportWebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Testingthemonitor.
1.Makesurethatthemonitorcablesarermlyconnected.
2.Tryusingadifferentmonitorontheserver,ortryusingthemonitorthatisbeing
testedonadifferentserver.
3.Runthediagnosticprograms.Ifthemonitorpassesthediagnosticprograms,the
problemmightbeavideodevicedriver.
4.(Trainedservicetechnicianonly)Replacethesystemboard.
54HardwareMaintenanceManual