Solution:Makesurethattherearenoobjectsplacedonthekeyboard,orifyouhaveone,theexternal
keyboard.Turnoffthecomputer,andturnoffallattacheddevices.Turnonthecomputerrst;then
turnontheattacheddevices.
Ifyoustillseethesameerrorcode,dothefollowing:
Ifanexternalkeyboardisconnected,dothefollowing:
–Turnoffthecomputeranddisconnecttheexternalkeyboard;thenturnonthecomputer .Makesure
thatthebuilt-inkeyboardoperatescorrectly.Ifitwas,havetheexternalkeyboardserviced.
–Makesurethattheexternalkeyboardisconnectedtothecorrectconnector.
TestthecomputerbyusingLenovoThinkVantageToolbox.
–Ifthecomputerstopsduringthetest,havethecomputerserviced.
•Message:0230:ShadowRAMerror.
Solution:TheshadowRAMfailed.Testyourcomputer'smemorywithLenovoThinkVantageToolbox.If
youaddedamemorymodulejustbefor eturningthecomputeron,reinstallit.Thentestthememorywith
LenovoThinkVantageToolbox.
•Message:0231:S ystemRAMerror.
Solution:ThesystemRAMfailed.Testyourcomputer'smemorywithLenovoThinkVantageToolbox.If
youaddedamemorymodulejustbefor eturningthecomputeron,reinstallit.Thentestthememorywith
LenovoThinkVantageToolbox.
•Message:0232:ExtendedRAMerror.
Solution:TheextendedRAMfailed.Testyourcomputer'smemorywithLenovoThinkVantageToolbox.If
youhaveincreasedmemoryjustbeforeturningthecomputeron,reinstallit.Thentestthememorywith
LenovoThinkVantageToolbox.
•Message:0250:Systembatteryerror.
Solution:Thebackupbattery,whichisusedtopreservethecongurationinformation,suchasthedate
andtime,whilethecomputeristunedoff,isdepleted.ReplacethebatteryandrunThinkPadSetupto
verifytheconguration.Ifyoustillhaveaproblem,havethecomputerserviced.
•Message:0251:SystemCMOSchecksumbad.
Solution:ThesystemCMOSmighthavebeencorruptedbyanapplicationprogram.Thecomputeruses
thedefaultsettings.RunThinkPadSetuptorecongurethesettings.Ifyoustillseethesameerrorcode,
havethecomputerserviced.
•Message:0260:S ystemtimererror.
Solution:Havethecomputerserviced.
•Message:0270:Realtimeclockerror.
Solution:Havethecomputerserviced.
•Message:0271:Dateandtimeerror.
Solution:Neitherthedatenorthetimeissetinthecomputer.Setthedateandtime,usingtheThinkPad
Setup.
•Message:0280:Previousbootincomplete.
Solution:Yourcomputerwaspreviouslyunabletocompletethebootprocess.
134UserGuide