User's Manual
Table Of Contents
- Read this first
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. Recovery overview
- Chapter 6. Replacing devices
- Chapter 7. Advanced configuration
- Chapter 8. Preventing problems
- Chapter 9. Troubleshooting computer problems
- Diagnosing problems
- Troubleshooting
- Computer stops responding
- Spills on the keyboard
- Error messages
- Errors without messages
- Beep errors
- Memory module problems
- Networking problems
- Problems with the keyboard and other pointing devices
- Problems with the display and multimedia devices
- Battery and power problems
- Problems with drives and other storage devices
- A software problem
- Problems with ports and connectors
- Chapter 10. Getting support
- Appendix A. Regulatory information
- Wireless related information
- Export classification notice
- Electronic emission notices
- Federal Communications Commission Declaration of Conformity
- Industry Canada Class B emission compliance statement
- European Union - Compliance to the Electromagnetic Compatibility
- German Class B compliance statement
- Korea Class B compliance statement
- Japan VCCI Class B compliance statement
- Japan compliance statement for products which connect to the pow
- Lenovo product service information for Taiwan
- Appendix B. WEEE and recycling statements
- Appendix C. ENERGY STAR model information
- Appendix D. Notices
- Appendix E. Restriction of Hazardous Substances Directive (RoHS)
Chapter9.Troubleshootingcomputerproblems
Thischapterprovidesinformationonwhattodoifyouexperienceaproblemwithyourcomputer.
Thischaptercontainsthefollowingtopics:
•“Diagnosingproblems”onpage89
•“Troubleshooting”onpage89
Diagnosingproblems
Ifyouexperienceproblemswithyourcomputer,usetheLenovoSolutionCenterprogramasastarting
pointforsolvingthem.
TheLenovoSolutionCenterprogramenablesyoutotroubleshootandresolvecomputerproblems.It
combinesdiagnostictests,systeminformationcollection,securitystatus,andsupportinformation,along
withhintsandtipsformaximumsystemperformance.
Note:IfyouareusingotherWindowsoperatingsystemratherthanWindows8,goto
http://www.lenovo.com/diagsforthelatestinformationondiagnosticsforyourcomputer.
ToruntheLenovoSolutionCenterprogramontheWindows8operatingsystem,see“Lenovoprograms”
onpage11.
Foradditionalinformation,refertotheLenovoSolutionCenterhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
thelogles.YouwillneedthelogleswhenyouspeaktoaLenovotechnicalsupportrepresentative.
Troubleshooting
Ifyourcomputerhasanerror,ittypicallydisplaysamessageoranerrorcode,orabeepsoundswhen
youturniton.Whenyouexperienceaproblem,refertothecorrespondingsectionsinthistopictotryto
solvetheproblembyyourself.
Computerstopsresponding
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputeriscompletelyunresponsive(youcannotusetheUltraNavpointingdeviceorthekeyboard),
dothefollowing:
1.Pressandholdthepowerbuttontoturnoffthecomputer.
•Ifthecomputeristurnedoff,restartthecomputerbypressingthepowerbutton.Ifyoucannot
restartthecomputer,gotostep2.
2.Whilethecomputeristurnedoff,removeallpowersourcesfromthecomputer.andresetthesystemby
insertingastraightenedpaperclipintotheemergencyresethole.Thenholddownthepowerbuttonfor
10seconds.Reattachtheacpoweradapter.Ifthecomputerdoesnotturnbackon,continuetostep3.
Note:Ifthecomputerstartswithacpowerbutdoesnotstartwhenacpowerisremoved,callthe
CustomerSupportCenterforsupport.
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