Specifications

IfyouhavedifficultywiththeWindowsoperatingsystemoroneofitscomponents,refertotheWindows
helpsystem.ItisaccessiblefromtheWindowsStartmenu.
Todetermineifproblemsarecausedbynewlyinstalledsoftware,verifythat:
Yourcomputerhastheminimummemoryrequirementsneededtousethesoftware.Seethe
informationsuppliedwiththesoftwaretoverifymemoryrequirements.(Ifyoujustinstalledanadapter
ormemory,youmighthaveamemory-addressconflict.)
Thesoftwareisdesignedtooperateonyourcomputer.
Othersoftwareworksonyourcomputer.
Thesoftwareyouareusingworkscorrectlyonanothercomputer.
Ifyoureceivedanyerrormessageswhileusingthesoftwareprogram,seetheprinteddocumentation
suppliedwiththesoftwareorthehelpsystemforthatsoftwareforadescriptionofthemessagesand
solutionstotheproblem.
Checkwithyoursoftwaremanufacturertoseeifanyupdatesareavailable.Manysoftwaremanufacturers
makeupdatesavailablefromtheWorldWideWeb.
Ifthesoftwareprogramusedtoworkcorrectly,butdoesnotworkcorrectlynow,dothefollowing:
OntheWindows7operatingsystem,clickStartControlPanelSystemandSecuritySystem
SystemProtectionSystemRestore.Then,followtheinstructionsonthescreen.
OntheWindows8orWindows8.1operatingsystem,openControlPanelandclickSystemand
SecuritySystemSystemProtectionSystemRestore.Then,followtheinstructionson
thescreen.
Ifyouareunabletoresolvetheproblemthroughothermethods,uninstallthesoftwareprogramand
reinstallit.
Iftheseactionsdonotcorrecttheproblem,youmightneedtechnicalassistance.Contactyoursoftware
manufacturerorsee“LenovoSupportWebsite”onpage32
fordetails.
USBproblems
Symptom:TheUSBconnectorscannotbeaccessed.
Actions:
MakesuretheUSBcableissecurelyconnectedtotheUSBconnectorandtotheUSBdevice.IftheUSB
devicehasitsownpowercord,makesureitisattachedtoaproperlygroundedelectricaloutlet.
IftheUSBdevicehasitsownOn/Offswitch,makesureitisintheOnposition.
IftheUSBdevicehasanOnlineswitch,makesureitisintheOnlineposition.
IftheUSBdeviceisaprinter,makesurepaperisloadedcorrectly.
MakesureanydevicedriversorothersoftwaresuppliedwiththeUSBdeviceiscorrectlyinstalled.
RefertothedocumentationfortheUSBdevice.
ResetthedevicebydetachingandreattachingtheUSBconnector.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramstotesttheUSBconnector(see
“LenovoSolutionCenter”onpage53
forinstructions).IftheUSBdevicecamewithitsowndiagnostics,
runthosediagnosticsagainsttheUSBdevice.Ifyouneedtechnicalassistance,see“LenovoSupport
Website”onpage32
.
52ThinkCentreE73HardwareMaintenanceManual