Laptop User Manual
DiagnosticErrorCodeFRU/Action
305-000-XXXMonitorDDCTestPassed
Noaction
305-250-XXXMonitorDDCselftestfailure1.RuntheSetupUtilityprogramtoenableDDC
2.Cable
3.Monitor
4.Videocard
5.Systemboard
415-000-XXXModemTestPassedNoaction
415-XXX-XXXModemerrorRemovetheModemandre-testthesystem
Beepsymptoms
Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.
Thefollowingtablesdescribesbeepsymptoms.
BeepSymptomFRU/Action
2short1longbeeps
Reseatthememorymodules.Iftheerrorpersists,replace
thememorymodulesoneatatimeuntilthefailingmodule
isdetermined.
4,5,6,or7beeps9,10,or11beeps
Beforereplacingthesystemboard,removeanyoptional
adapters(Expresscard,Modemcard,Mediareader)and
retry.Iftheproblempersists,replacethesystemboard.
Otherwise,reinstalltheoptionaladaptersoneatatime
untilthefailingadapterisdetermined.
8beepsReplacethesystemboard.
POSTerrorcodes
Eachtimeyouturnonyourcomputer,itperformsaseriesofteststochecktheoperationofthecomputer
componentsandsomeoptionaldevicesinthecomputer.Thisseriesoftestsiscalledthepower-onself-test,
orPOST.ThePOSTdoesthefollowingoperations:
•Checkssomebasicsystemboardoperations
•Checksthememoryoperation
•Startsthevideooperation
•Veriesthatthebootdriveisworking
IfthePOSTdetectsaproblem,anerrormessageisdisplayedonthescreen.Asingleproblemcancause
severalerrormessages.Whenyoucorrectthecauseofthersterrormessage,theothererrormessages
probablywillnotbedisplayedthenexttimeyouturnonthecomputer.
Chapter7.Symptom-to-FRUindex63