DiagnosticerrorcodeFRU/Action
305-000-XXXMonitorDDCtestpassedNoaction
305-250-XXXMonitorDDCselftestfailure1.RunSetuptoenableDDC
2.Cable
3.Monitor
4.Videocard
5.Systemboard
415-000-XXXModemtestPassedNoaction
415-XXX-XXXModemerrorRemovetheModemandre-testthesystem
Beepsymptoms
Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.
Thefollowingtabledescribesbeepsymptoms.
BeepsymptomFRU/Action
1,2,or3beepsReseatthememorymodules.Iftheerrorpersists,replace
thememorymodulesoneatatimeuntilthefailingmodule
isdetermined.
4,5,6,or7beeps9,10,or11beepsBeforereplacingthesystemboard,removeanyoptional
adapters(Expresscard,Modemcard,Mediareader)and
retry.Iftheproblempersists,replacethesystemboard.
Otherwise,reinstalltheoptionaladaptersoneatatime
untilthefailingadapterisdetermined.
8beepsReplacethesystemboard.
POSTerrorcodes
Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystemand
someoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.
ThePOSTdoesthefollowingoperations:
•Checkssomebasicsystem-boardoperations
•Checksthememoryoperation
•Startsthevideooperation
•Veriesthatthebootdriveisworking
IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral
errormessagestoappear.Whenyoucorrectthecauseofthersterrormessage,theothererrormessages
probablywillnotappearonthescreenthenexttimeyouturnonthesystem.
Chapter7.Symptom-to-FRUindex61