Chapter9.T roubleshootingcomputerproblems
Thischapterprovidesinformationonwhattodoifyouexperienceaproblemwithyourcomputer.
Thischaptercontainsthefollowingtopics:
•“Diagnosingproblems”onpage87
•“Troubleshooting”onpage87

Diagnosingproblems

Ifyouexperienceproblemswithyourcomputer,usetheL enovoSolutionCenterprogramasastarting
pointforsolvingthem.
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerpr oblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
Note:IfyouareusingotherWindowsoperatingsystemratherthanWindows8,goto
http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.
ToruntheLenovoSolutionCenterprogramontheWindows8operatingsystem,see“Lenovoprograms”
onpage11.
Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningthepr ogram,saveandprint
thelogles.YouwillneedthelogleswhenyouspeaktoaLenovotechnicalsupportrepresentative.

Troubleshooting

Ifyourcomputerhasanerror ,ittypicallydisplaysamessageoranerr orcode,orabeepsoundswhen
youturniton.Whenyouexperienceaproblem,refertothecorrespondingsectionsinthistopictotryto
solvetheproblembyyourself.

Computerstopsresponding

Printtheseinstructionsnowandkeepitwithyourcomputerforrefer encelater .
Ifyourcomputeriscompletelyunresponsive(youcannotusetheUltraNavpointingdeviceorthekeyboard),
dothefollowing:
1.Pressandholdthepowerbuttontoturnoffthecomputer.
•Ifthecomputeristurnedoff,restartthecomputerbypressingthepowerbutton.Ifyoucannot
restartthecomputer,gotostep2.
2.Whilethecomputeristurnedoff,removeallpowersourcesfromthecomputer.andresetthesystemby
insertingastraightenedpaperclipintotheemergencyr esethole.Thenholddownthepowerbuttonfor
10seconds.Reattachtheacpoweradapter.Ifthecomputerdoesnotturnbackon,continuetost ep3.
Note:Ifthecomputerstartswithacpowerbutdoesnotstartwhenacpowerisremoved,callthe
CustomerSupportCenterforsupport.
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