Laptop User 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
- Static electricity prevention
- Replacing the battery
- Replacing the SIM card
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing a PCI Express Mini Card for wireless LAN connection
- Replacing a PCI Express Mini Card for wireless WAN connection
- Replacing a memory module
- Replacing the keyboard
- Replacing the backup battery
- Replacing the thermal fan
- 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
- Fingerprint reader problems
- 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 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
- Appendix B. WEEE and recycling statements
- Appendix C. ENERGY STAR model information
- Appendix D. Notices
- Appendix E. Restriction of Hazardous Substances Directive (RoHS)
•Message:0230:ShadowRAMerror.
Solution:TheshadowRAMfailed.Referto“Diagnosingproblems”onpage121foradiagnostictestof
thecomputermemory.Ifyouaddedamemorymodulejustbeforeturningthecomputeron,reinstallit.
ThentestthememorywithLenovoSolutionCenter.
•Message:0231:SystemRAMerror.
Solution:ThesystemRAMfailed.Referto“Diagnosingproblems”onpage121foradiagnostictestof
thecomputer.Ifyouaddedamemorymodulejustbeforeturningthecomputeron,reinstallit.Thentest
thememorywithLenovoSolutionCenter.
•Message:0232:ExtendedRAMerror.
Solution:TheextendedRAMfailed.Referto“Diagnosingproblems”onpage121foradiagnostictestof
thecomputermemory.Ifyouhaveaddedamemorymodulejustbeforeturningthecomputeron,reinstall
it.ThentestthememorywithLenovoSolutionCenter.
•Message:0250:Systembatteryerror.
Solution:Thebackupbattery,whichisusedtopreservethecongurationinformation,suchasthedate
andtime,whilethecomputeristunedoff,isdepleted.ReplacethebatteryandrunThinkPadSetupto
verifytheconguration.Ifyoustillhaveaproblem,havethecomputerserviced.
•Message:0251:SystemCMOSchecksumbad.
Solution:ThesystemCMOSmighthavebeencorruptedbyaprogram.Thecomputerusesthedefault
settings.RunThinkPadSetuptorecongurethesettings.Ifyoustillseethesameerrorcode,have
thecomputerserviced.
•Message:0260:Systemtimererror.
Solution:Havethecomputerserviced.
•Message:0270:Realtimeclockerror.
Solution:Havethecomputerserviced.
•Message:0271:Dateandtimeerror.
Solution:Neitherthedatenorthetimeissetinthecomputer.Setthedateandtime,usingThinkPad
Setup.
•Message:0280:Previousbootincomplete.
Solution:Yourcomputerwasunabletocompletethebootprocess.
Turnthecomputeroff;thenturnitontostartThinkPadSetup.Verifythecongurationandthenrestartthe
computereitherbychoosingtheExitSavingChangesoptionundertheRestartitemorbypressing
Fn+F10.
Ifyoustillseethesameerrorcode,havethecomputerserviced.
•Message:02D0:Systemcacheerror.
Solution:Thecacheisdisabled.Havethecomputerserviced.
•Message:02F4:EISACMOSnotwritable.
Solution:Havethecomputerserviced.
•Message:02F5:DMAtestfailed.
Solution:Havethecomputerserviced.
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