Personal Computer User Manual

•ForWindows8orWindows8.1:OpenControlPanel,andthenclickSystemandSecurity➙System

➙SystemProtection➙SystemRestore.

Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.

6.Runthediagnosticprogram.See“LenovoSolutionCenter”onpage54formoreinformation.

•Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.

See“LenovoSupportWebsite”onpage31formoreinformation.

•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See

“LenovoSupportWebsite”onpage31formoreinformation.

•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.

7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa

virus,removethevirus.

8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb

site”onpage31formoreinformation.

Troubleshooting

Usethetroubleshootinginformationtondsolutionstoproblemsthathavedenitesymptoms.

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware

optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea

hardwareoption,ensurethatyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour

computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.

2.Runthediagnosticprogramtoensurethatyourcomputerisoperatingcorrectly.

3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:

•“Audioproblems”onpage37

•“CDproblems”onpage39

•“DVDproblems”onpage40

•“Intermittentproblems”onpage41

•“Keyboard,mouse,orpointingdeviceproblems”onpage42

•“Monitorproblems”onpage44

•“Networkingproblems”onpage46

•“Optionproblems”onpage48

•“Performanceandlockupproblems”onpage49

•“Printerproblems”onpage51

•“Serialportproblems”onpage51

•“Softwareproblems”onpage52

•“USBproblems”onpage53

Audioproblems

Selectyoursymptomfromthefollowinglist:

•“NoaudioinWindows”onpage38

Chapter5.Troubleshootinganddiagnostics37