•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•Gotothesupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Themonitorhasscreen
jitter,orthescreenimageis
wavy,unreadable,rolling,or
distorted.
1.Ifthemonitorself-testsshowthatthemonitorisworkingcorrectly,consider
thelocationofthemonitor.Magneticfieldsaroundotherdevices(suchas
transformers,appliances,fluorescents,andothermonitors)cancausescreen
jitterorwavy,unreadable,rolling,ordistortedscreenimages.Ifthishappens,
turnoffthemonitor.
Attention:Movingacolormonitorwhileitisturnedonmightcausescreen
discoloration.
Movethedeviceandthemonitoratleast305mm(12in.)apart,andturnon
themonitor.
Notes:
a.Topreventdiskettedriveread/writeerrors,makesurethatthedistance
betweenthemonitorandanyexternaldiskettedriveisatleast76mm(3in.).
b.Non-Lenovomonitorcablesmightcauseunpredictableproblems.
2.Reseatthemonitorcable.
3.Replacethecomponentslistedinstep2oneatatime,intheordershown,
restartingtheservereachtime:
a.Monitorcable
b.Videoadapter(ifoneisinstalled)
c.Monitor
d.(Trainedtechnicianonly)Systemboard.
Wrongcharactersappearon
thescreen.
1.Ifthewronglanguageisdisplayed,updatetheserverfirmwaretothelatestlevel
(see“Updatingthefirmware”onpage43
)withthecorrectlanguage.
2.Reseatthemonitorcable.
3.Replacethecomponentslistedinstep2oneatatime,intheordershown,
restartingtheservereachtime:
a.Monitorcable
b.Videoadapter(ifoneisinstalled)
c.Monitor
d.(Trainedtechnicianonly)Systemboard.
Networkconnectionproblems
Usethetroubleshootingtablestofindsolutionstoproblemsthathaveidentifiablesymptoms.
Chapter3.Troubleshooting89