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Solution:TheEEPROMchecksumisnotcorrect(block#0and1).Thesystemboardshouldbereplaced,
andtheboxserialnumberneedstobereinstalled.Havethecomputerserviced.
•Message:0189:InvalidRFIDcongurationinformationarea
Solution:TheEEPROMchecksumisnotcorrect(block#4and5).Thesystemboardshouldbereplace,
andtheUUIDneedstobereinstalled.Havethecomputerserviced.
•Message:0190:Criticallow-batteryerror
Solution:Thecomputerturnedoff,becausethebatteryislow.Connecttheacpoweradaptertothe
computerandchargethebattery.
•Message:0191:SystemSecurity-Invalidremotechangerequested
Solution:Thesystemcongurationchangehasfailed.Conrmtheoperationandtryagain.Toclearthe
error,enterThinkPadSetup.
•Message:0199:SystemSecurity-Securitypasswordretrycountexceeded.
Solution:Thismessageisdisplayedifyouenterawrongsupervisorpasswordmorethanthreetimes.
Conrmthesupervisorpasswordandtryagain.Tocleartheerror,enterThinkPadSetup.
•Message:1802:Unauthorizednetworkcardispluggedin-Poweroffandremovethenetworkcard.
Solution:Thewirelessnetworkcardisnotsupportedonthiscomputer.Removeit.
•Message:1820:Morethanoneexternalngerprintreadersareattached.
Solution:Poweroffandremoveallbutthereaderthatyousetupwithinyourmainoperatingsystem.
•Message:2100:DetectionerroronHDD0(MainHDD)
Solution:Theharddiskisnotworking.Havetheharddiskserviced.
•Message:2101:DetectionerroronHDD2(M.2SATA)
Solution:TheM.2SATAdeviceisnotworking.HavetheM.2SATAdeviceserviced.
•Message:2102:DetectionerroronHDD2(M.2SATA)
Solution:TheM.2SATAdeviceisnotworking.HavetheM.2SATAdeviceserviced.
•Message:2110:ReaderroronHDD0(MainHDD)
Solution:Theharddiskisnotworking.Havetheharddiskserviced.
•Message:2111:ReaderroronHDD2(M.2SATA)
Solution:TheM.2SATAdeviceisnotworking.HavetheM.2SATAdeviceserviced.
•Message:2112:ReaderroronHDD2(M.2SATA)
Solution:TheM.2SATAdeviceisnotworking.HavetheM.2SATAdeviceserviced.
•Message:2200:MachineTypeandSerialNumberareinvalid.
Solution:MachineTypeandSerialNumberareinvalid.Havethecomputerserviced.
•Message:2201:MachineUUIDisinvalid.
Solution:MachineUUIDisinvalid.Havethecomputerserviced.
•Message:Fanerror
Solution:Coolingfanhasfailed.Shutdownthecomputerimmediatelyandhavethecomputerserviced.
•Message:Thermalsensingerror
Solution:Thethermalsensorhasproblem.Shutdownthecomputerimmediatelyandhavethecomputer
serviced.
Errorswithoutmessages
•Problem:MyscreenkeepsblankingwhenIdonotwantitto.
Chapter10.Troubleshootingcomputerproblems125
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