Computer Hardware User Manual

•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
Thescreenisblank.
1.IftheserverisattachedtoaKVMswitch,bypasstheKVMswitchtoeliminateit
asapossiblecauseoftheproblem:connectthemonitorcabledirectlytothe
correctconnectorontherearoftheserver.
2.Makesurethat:
•Theserveristurnedon.Ifthereisnopowertotheserver,see“Power
problems”onpage58
.
•Themonitorcablesareconnectedcorrectly.
•Themonitoristurnedonandthebrightnessandcontrastcontrolsareadjusted
correctly.
3.Makesurethatthecorrectserveriscontrollingthemonitor,ifapplicable.
4.Makesurethatdamagedserverrmwareisnotaffectingthevideo;see
“Updatingthermware”onpage211.
5.ObservethecheckpointLEDsonthesystemboard;ifthecodesarechanging,
gotostep6.
6.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.Monitor
b.VideoPCIcard(ifoneisinstalled)
c.(Trainedservicetechnicianonly)Systemboard
7.See“Solvingundeterminedproblems”onpage104.
Themonitorworkswhen
youturnontheserver,but
thescreengoesblankwhen
youstartsomeapplication
programs.
1.Makesurethat:
•Theapplicationprogramisnotsettingadisplaymodethatishigherthan
thecapabilityofthemonitor.
•Youinstalledthenecessarydevicedriversfortheapplication.
2.Runvideodiagnostics(see“Diagnostictools”onpage17).
•Iftheserverpassesthevideodiagnostics,thevideoisgood;see“Solving
undeterminedproblems”onpage104.
•(Trainedservicetechnicianonly)Iftheserverfailsthevideodiagnostics,
replacethesystemboard.
Chapter4.Diagnostics55