20C600AAUS Product Manual

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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-Securitypasswordretrycountexceeded.

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.RunThinkPadSetuptorecon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).

Chapter10.Troubleshootingcomputerproblems129

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Product Manual - Page 145