User's Manual
Table Of Contents
- Read this first
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. Enhancing your computer
- Chapter 4. Security
- Chapter 5. Advanced configuration
- Chapter 6. Preventing problems
- Chapter 7. 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
- Fingerprint reader problems
- Battery and power problems
- Problems with drives and other storage devices
- A software problem
- Problems with ports and connectors
- Chapter 8. Recovery overview
- Chapter 9. Replacing devices
- Chapter 10. Getting support
- Chapter 11. You and your computer
- 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 Directive
- 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 power mains with rated current less than or equal to 20 A per phase
- Lenovo product service information for Taiwan
- Eurasian compliance mark
- Brazil regulatory notice
- Mexico regulatory notice
- Appendix B. WEEE and recycling statements
- Appendix C. Restriction of Hazardous Substances Directive (RoHS)
- Appendix D. ENERGY STAR model information
- Appendix E. Notices
Table6.Beeperrors(continued)
Threeshortbeeps,pause,oneshortbeep,pause,one
moreshortbeep,andthreeshortbeeps
PCIresourceallocationfailure.Poweroffthecomputer
andremovethedevicefromtheExpressCardSlot.Ifthe
beepspersist,havethecomputerserviced.
Fiveshortbeeps,pause,Fiveshortbeeps,pause
TheSecurityChiphasaproblem.Havethecomputer
serviced.
Fourcyclesoffourshortbeeps
TheSecurityChiphasaproblem.Havethecomputer
serviced.
Onelongandtwoshortbeeps
Thevideofunctionhasaproblem.Havethecomputer
serviced.
FiveshortbeepsThesystemboardhasaproblem.Havethecomputer
serviced.
Memorymoduleproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourmemorymoduleisnotoperatingproperly,checkthefollowingitems:
1.Verifythatthememorymoduleisinstalledandseatedcorrectlyinyourcomputer.
Itmightbenecessarytoremovealladdedmemorymodulestotestthecomputerwithonlythe
factory-installedmemorymodules,andthenreinstallthememorymoduleoneatatimetoensure
aproperconnection.
2.Checkforerrormessagesduringstartup.
Followtheappropriatecorrectiveactionsforpower-onself-test(POST)errormessages.
3.VerifythatthelatestUEFIBIOSforyourmodelhasbeeninstalled.
4.Verifythepropermemoryconfigurationandcompatibilityincludingthemaximummemorysizeandthe
memoryspeed.
5.Rundiagnosticprograms.See“Diagnosingproblems”onpage75.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems:
Ethernetproblems
•Problem:Yourcomputercannotconnecttothenetwork.
Solution:Makesurethat:
–Thecableisinstalledcorrectly.
ThenetworkcablemustbesecurelyconnectedbothtotheEthernetconnectorofyourcomputerand
totheRJ45connectorofthehub.Themaximumallowabledistancefromthecomputertohubis
100meters.Ifthecableisconnectedandthedistanceiswithinacceptablelimitsbuttheproblem
persists,tryadifferentcable.
–Youareusingthecorrectdevicedriver.Toinstallthecorrectdriver,dothefollowing:
1.GotoControlPanelandclickHardwareandSound➙DeviceManager.Ifyouarepromptedfor
anadministratorpasswordorconfirmation,typethepasswordorprovideconfirmation.
2.Iftheexclamationmark!isdisplayednexttotheadapternameunderNetworkadapters,you
mightnotbeusingthecorrectdriverorthedrivermighthavebeendisabled.Toupdatethedriver,
right-clickthehighlightedadapter.
3.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
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