•MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.
•IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
•IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.
•IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.
•MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
•ResetthedevicebydetachingandreattachingtheUSBconnector.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramstotesttheUSBconnector(see
“LenovoSolutionCenter”onpage74forinstructions).IftheUSBdevicecamewithitsowndiagnostics,
runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,seeChapter11“Getting
information,help,andservice”onpage75.
LenovoSolutionCenter
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
Notes:
•TheLenovoSolutionCenterprogramcanbedownloadedfromhttp://www.lenovo.com/diags.
•IfyouareusingotherWindowsoperatingsystemratherthanWindows7andWindows8,goto
http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.
ToruntheL enovoSolutionCenterprogram,see“Lenovoprograms”onpage4.
Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
theloglescreatedbytheprogram.Y ouwillneedthelogleswhenyouspeaktoaLenovotechnical
supportrepresentative.
74ThinkCentreEdgeUserGuide