Lenovo ThinkCentre M90p - Beep Symptoms; POST Error Codes

DiagnosticErrorCodeFRU/Action
220-XXX-XXXHi-CapacityCartridgeDriveerror1.RemovetheHi-CapacityCartridgeDriveandre-test
thesystem
301-XXX-XXXKeyboarderror1.Keyboard
2.Checkandtestmouse
3.Systemboard
301-000-XXXKeyboardTestPassedNoaction
302-000-XXXMouseTestPassedNoaction
302-XXX-XXXMouseerror1.Mouse
2.CheckandtestKeyboard
3.Systemboard
303-000-XXXJoystickTestPassedNoaction
303-XXX-XXXJoystickerrorRemovetheJoystickandre-testthesystem
305-000-XXXMonitorDDCTestPassed
Noaction
305-250-XXXMonitorDDCselftestfailure1.RunSetuptoenableDDC
2.Cable
3.Monitor
4.Videocard
5.Systemboard
415-000-XXXModemTestPassedNoaction
415-XXX-XXXModemerrorRemovetheModemandre-testthesystem
Beepsymptoms
Beepsymptomsaretonesoraseriesoftonesseparatedbypauses(intervalswithoutsound)duringPOST.
Thefollowingtablesdescribesbeepsymptoms.
BeepSymptomFRU/Action
1,2,or3beeps
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
Chapter7.Symptom-to-FRUindex61