Lenovo ThinkCentre E73z - USB Problems; Diagnostics

•Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
•Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:
–OntheWindows7operatingsystem,clickStart➙ControlPanel➙SystemandSecurity➙System
➙SystemProtection➙SystemRestore.Then,followtheinstructionsonthescreen.
–OntheWindows8orWindows8.1operatingsystem,openControlPanelandclickSystemand
Security➙System➙SystemProtection➙SystemRestore.Then,followtheinstructionson
thescreen.
•Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand
reinstallit.
Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware
manufacturerorsee“LenovoSupportWebsite”onpage31
fordetails.
USBproblems
Symptom:TheUSBconnectorscannotbeaccessed.
Actions:
•EnsurethattheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,ensurethatitisattachedtoaproperlygroundedelectricaloutlet.
•IftheUSBdevicehasitsownOn/Offswitch,ensurethatitisintheOnposition.
•IftheUSBdevicehasanOnlineswitch,ensurethatitisintheOnlineposition.
•IftheUSBdeviceisaprinter,ensurethatpaperisloadedcorrectly.
•EnsurethatanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
•ResetthedevicebydetachingandreattachingtheUSBconnector.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogramtotesttheUSB
connector.IftheUSBdevicecamewithitsowndiagnostics,runthosediagnosticsagainsttheUSBdevice.
Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage31.
Diagnostics
Thediagnosticprogramisusedtotesthardwarecomponentsofyourcomputer.Thediagnosticprogramcan
alsoreportoperating-system-controlledsettingsthatinterferewiththecorrectoperationofyourcomputer.
Youcanusethepreinstalleddiagnosticprogramtodiagnosecomputerproblems,ifyourcomputeris
runningtheWindowsoperatingsystem.
Notes:
1.YourcomputerispreinstalledwiththeLenovoSolutionCenterprogramfordiagnosticpurposes.For
moreinformationabouttheLenovoSolutionCenterprogram,see“LenovoSolutionCenter”onpage54.
2.Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthediagnosticprogram,save
andprinttheloglescreatedbythediagnosticprogram.Youwillneedthelogleswhenyouspeaktoa
Lenovotechnicalsupportrepresentative.
Chapter5.Troubleshootinganddiagnostics53