SymptomAction
Thewirelesskeyboardormouse
doesnotwork.
Verifythat:
•Thecomputeristurnedon.
•Thebatteryorbatteriesinstalledinthewirelesskeyboardormouseareingood
condition.
•Thewirelesscongur ationsareallsetcorrectly.Youmightneedtoreferto
thedocumentationthatcomewiththewirelesskeyboardormouse,orrefer
toyourWindowsHelpandSupportinformationsystemforwirelessrelated
instructions.Ifyourwirelessmousehasadongle,makesurethedongleis
correctlyconnectedtooneoftheUSBconnectorsonthecomputer.
•Forthewirelesskeyboard,nokeysarestuck.
•Thewirelessmouseisclean.
Theoperatingsystemdoesnot
start.
Verifythatyoulistthedevicewheretheoperatingsystemresidesinthestartup
devicesequence.Usually,theoperatingsystemisontheharddiskdrive.Formore
information,see“Selectingastartupdevice”onpage65.
Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.
Verifythatnokeysarestuck.
Diagnosticprograms
Diagnosticprogramsareusedtotesthardwarecomponentsofyourcomputer.Diagnosticprogramscan
alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyoursystem.The
followingprogramsarepreinstalledonyourcomputertohelpyoudiagnosecomputerproblems:
•LenovoThinkV antageT oolbox(usedwhenyouarerunningtheWindowsoperatingsystem)
•PC-DoctorforRescueandRecovery(usedwhenyoucannotstarttheWindowsoperatingsystem)
Notes:
1.Y oucanalsodownloadthePC-DoctorforDOSdiagnosticprogramfromhttp://www.lenovo.com/support.
See“PC-DoctorforDOS”onpage73fordetailedinformation.
2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprograms,saveandprint
theloglescreatedbytheprograms.Y ouwillneedthelogleswhenyouspeaktoaLenovotechnical
supportrepresentative.
LenovoThinkVantageT oolbox
TheLenovoThinkVantageT oolboxprogramhelpsyoumaintainyourcomputer,improvecomputingsecurity,
diagnosecomputerproblems,getfamiliarwiththeinnovativetechnologiesprovidedbyLenovo,andget
moreinformationaboutyourcomputer.Y oucanusethediagnosticsfeatureoftheLenovoThinkVantage
Toolboxprogramtotestdevices,diagnosecomputerproblems,createbootablediagnosticmedia,update
systemdrivers,andviewsysteminformation.
•ToruntheLenovoThinkVantageT oolboxprogramontheWindows7operatingsystem,clickStart➙All
Programs➙LenovoThinkVantageTools➙SystemHealthandDiagnostics.Followtheinstructions
onthescreen.
•ToruntheLenovoThinkVantageT oolboxprogramontheWindowsVistaoperatingsystem,clickStart➙
AllPrograms➙ThinkVantage➙LenovoThinkVantageT oolbox.Followtheinstructionsonthescreen.
ForadditionalinformationaboutrunningtheLenovoThinkVantageToolbo xprogram,refertotheLenovo
ThinkVantageT oolboxhelpsystem.
72ThinkCentreUserGuide