Lenovo System x3250 M5 - Monitor Problems

Table23.Microprocessor'ssymptomsandactions
SymptomAction
WhenusingtheCore-I3or
Pentiummicroprocessorand
theIntegratedGraphicsDevice
(IGD)hasbeenenabledin
theSetuputility,thevideo
controllercandisplayayellow
colorexclamationmarkunder
theWindowsOSdevice
manager.
1.RuntheSetuputilityandselectSystemsettings➙DeviceandI/OPorts
➙InternalGraphics.
2.SetthevaluetoDisable.
Monitorproblems
SomeLenovomonitorshavetheirownself-tests.Ifyoususpectaproblemwithyourmonitor,seethe
documentationthatcomeswiththemonitorforinstructionsfortestingandadjustingthemonitor.Ifyou
cannotdiagnosetheproblem,callforservice.
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheLenovosupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table24.Monitorandvideo'ssymptomsandactions
Themonitorandvideo'ssymptomsandactionstablewithonelevelofrowandcolumnheaders.
SymptomAction
Testingthemonitor.
1.Makesurethatthemonitorcablesarefirmlyconnected.
2.Tryusingadifferentmonitorontheserver,ortryusingthemonitorthatisbeing
testedonadifferentserver.
3.Runthediagnosticprograms.Ifthemonitorpassesthediagnosticprograms,
theproblemmightbeavideodevicedriver.
4.(Trainedtechnicianonly)Replacethesystemboard.
Thescreenisblank.
1.IftheserverisattachedtoaKVMswitch,bypasstheKVMswitchtoeliminateit
asapossiblecauseoftheproblem:connectthemonitorcabledirectlytothe
correctconnectorontherearoftheserver.
2.Makesurethat:
•Theserveristurnedon.Ifthereisnopowertotheserver,see“Power
problems”onpage136.
•Themonitorcablesareconnectedcorrectly.
•Themonitoristurnedonandthebrightnessandcontrastcontrolsare
adjustedcorrectly.
•NoPOSTerrorsaregeneratedwhentheserveristurnedon.
3.Makesurethatthecorrectserveriscontrollingthemonitor,ifapplicable.
4.Makesurethatdamagedserverfirmwareisnotaffectingthevideo;see
“Updatingthefirmware”onpage85.
5.ObservethecheckpointLEDsonthesystemboard;ifthecodesarechanging,
gotonextstep.
6.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
134LenovoSystemx3250M5InstallationandServiceGuide