Lenovo ThinkCentre A70z - POST Error Codes

BeepSymptomFRU/Action
3.PerformaBootblockrecovery.See“Updating
(ashing)BIOSfromyouroperatingsystem”onpage
180
.
1longand2shortbeepsMonitororvideoadaptercard
error
Performthefollowingactionsinorder.
1.Makesurethemonitorisproperlyconnectedtothe
computer.
2.Replacethevideoadaptercard(ifpresent).
3.Replacethesystemboard.
1longand3shortbeepsKeyboarderror
Performthefollowingactionsinorder.
1.Makesurethekeyboardisproperlyconnectedtothe
keyboardconnector.
2.Replacethekeyboard.
3.Replacethesystemboard.
1longand9shortbeepsBIOSROMerror
Performthefollowingactionsinorder.
1.StarttheSetupUtilityprogramandpressF9to
loaddefaultsandthenpressF10toSaveandexit.
SeeChapter6“Diagnostics,TestandRecovery
Information”onpage37
.
2.PerformaBootblockrecovery.See“Updating
(ashing)BIOSfromyouroperatingsystem”onpage
180
.
3.Replacethesystemboard.
2shortand1longbeepsDRAMmemoryerror
Performthefollowingactionsinorder.
1.Makesurethememorymodule(s)areproperlyseated
intheconnector(s).
2.Replacethememorymodule(s).
3.Replacethesystemboard.
POSTerrorcodes
Eachtimeyoupower-onthesystem,itperformsaseriesofteststhatchecktheoperationofthesystem
andsomeoptions.ThisseriesoftestsiscalledthePower-OnSelf-Test,orPOST.POSTdoesthefollowing
operations.
•Checkssomebasicsystem-boardoperations
•Checksthememoryoperation
•Startsthevideooperation
•Veriesthatthebootdriveisworking
IfthePOSTdetectsaproblem,anerrormessageappearsonthescreen.Asingleproblemcancauseseveral
errormessagestoappear.Whenyoucorrectthecauseofthersterrormessage,theothererrormessages
probablywillnotappearonthescreenthenexttimeyouturnonthesystem.
60ThinkCentreHardwareMaintenanceManual