Solution:ChecksumoftheSecuritysettingsintheEFIVariableisnotcorrect.EnterThinkPadSetup
tochecksecuritysettings,PressF10andthenpressEntertorestartthesystem.Ifyoustillhavea
problem,havethecomputerserviced.
•Message:0187:EAIAdataaccesserror.
Solution:TheaccesstoEEPROMisfailed.Havethecomputerserviced.
•Message:0188:InvalidRFIDSerializationInformationArea.
Solution:TheEEPROMchecksumisnotcorrect(block#0and1).Thesystemboardshouldbereplaced,
andtheboxserialnumberneedstobereinstalled.Havethecomputerserviced.
•Message:0189:InvalidRFIDcongurationinformationarea.
Solution:TheEEPROMchecksumisnotcorrect(block#4and5).Thesystemboardshouldbereplaced,
andtheUUIDneedstobereinstalled.Havethecomputerserviced.
•Message:0190:Criticallow-batteryerror.
Solution:Thecomputerturnsoff,becausethebatteryislow.Connecttheacpoweradaptertothe
computerandchargethebattery,orreplacethebatterywithafullychargedone.
•Message:0191:SystemSecurity-Invalidremotechangerequested.
Solution:Thesystemcongurationchangehasfailed.Conrmtheoperationandtryagain.Toclearthe
error,entertheThinkPadSetupprogram.
•Message:0199:SystemSecurity-Securitypasswordretrycounte xceeded.
Solution:Thismessageisdisplayedifyouenterawrongsupervisorpasswordmorethanthreetimes.
Conrmthesupervisorpasswordandtryagain.Tocleartheerror,entertheThinkPadSetupprogram.
•Message:0251:SystemCMOSchecksumbad.
Solution:ThesystemCMOSmighthavebeencorruptedbyaprogram.Thecomputerusesthedefault
settings.RunThinkPadSetuptorecongurethesettings.Ifyoustillseethesameerrorcode,have
thecomputerserviced.
•Message:0253:EFIVariableBlockDatawasdestroyed.
Solution:ThesystemEFIVariableBlockDatamighthavebeencorrupted.Thecomputerusesthe
defaultsettings.RunThinkPadSetuptor econgurethesettings.Ifyoustillseethesameerrorcode,
havethecomputerserviced.
•Message:0271:Realtimeclockerror.
Solution:Havethecomputerserviced.
•Message:1802:Unauthorizednetworkcardispluggedin.
Solution:Thenetworkcardisnotsupportedonthiscomputer.Removeit.
•Message:1820:Morethanoneexternalngerprintreadersareattached.
Solution:Poweroffandremoveallbutthereaderthatyousetupwithinyourmainoperatingsystem.
•Message:2000:ThinkVantageActiveProtectionsensordiagnosticsfailed.
Solution:ThinkVantageActiveProtectionsensorisnotworkingcorrectly.Havethecomputerserviced.
•Message:2100:DetectionerroronHDD0(MainHDD).
Chapter9.Tr oubleshootingcomputerproblems127