Personal Computer User Manual
Table Of Contents
- Important safety information
- Chapter 1. Product overview
- Chapter 2. You and your computer
- Chapter 3. Security
- Chapter 4. Installing or replacing hardware
- Handling static-sensitive devices
- Installing or replacing hardware
- Installing external options
- Removing the computer cover
- Removing and reinstalling the front bezel
- Installing or replacing a PCI card
- Installing or replacing a memory module
- Installing or replacing the optical drive
- Replacing the card reader
- Replacing the power supply assembly
- Replacing the heat sink and fan assembly
- Replacing the primary hard disk drive
- Replacing the secondary hard disk drive
- Replacing the front fan assembly
- Replacing the rear fan assembly
- Replacing the keyboard or mouse
- Completing the parts replacement
- Chapter 5. Recovery information
- Chapter 6. Using the Setup Utility program
- Chapter 7. Configuring RAID
- Chapter 8. Updating system programs
- Chapter 9. Troubleshooting and diagnostics
- Chapter 10. Getting information, help, and service
- Appendix A. Notices
- Appendix B. Regulatory information
- Appendix C. WEEE and recycling information
- Index

Chapter8.Updatingsystemprograms
ThischapterprovidesinformationaboutupdatingthePOSTandBIOS,andhowtorecoverfromaPOST
andBIOSupdatefailure.
Usingsystemprograms
Systemprogramsarethebasiclayerofsoftwarebuiltintoyourcomputer.Systemprogramsincludethe
POST,theBIOS,andtheSetupUtilityprogram.ThePOSTisasetoftestsandproceduresthatare
performedeachtimeyouturnonyourcomputer.TheBIOSisalayerofsoftwarethattranslatesinstructions
fromotherlayersofsoftwareintoelectricalsignalsthatthecomputerhardwarecanexecute.Youcanuse
theSetupUtilityprogramtovieworchangethecongurationsettingsofyourcomputer.SeeChapter6
“UsingtheSetupUtilityprogram”onpage59
fordetailedinformation.
Yourcomputersystemboardhasamodulecalledelectricallyerasableprogrammableread-onlymemory
(EEPROM,alsoreferredtoasashmemory).YoucaneasilyupdatethePOST,theBIOS,andtheSetup
Utilityprogrambystartingyourcomputerwithasystem-program-updatediscorrunningaspecialupdate
programfromyouroperatingsystem.
LenovomightmakechangesandenhancementstothePOSTandBIOS.Whenupdatesarereleased,they
areavailableasdownloadablelesontheLenovoWebsiteathttp://www.lenovo.com.Instructionsforusing
thePOSTandBIOSupdatesareavailableinaTXTlethatisincludedwiththeupdateles.Formost
models,youcandownloadeitheranupdateprogramtocreateasystem-program-updatediscoranupdate
programthatcanberunfromtheoperatingsystem.
Updating(ashing)theBIOSfromadisc
Thissectionprovidesinstructionsonhowtoupdate(ash)theBIOSfromadisc.
Note:Youcandownloadaself-startingbootablediscimage(knownasanISOimage)withthesystem
programupdatestocreateasystem-program-updatedisc.Goto:
http://support.lenovo.com
Toupdate(ash)theBIOSfromadisc,dothefollowing:
1.Turnoffyourcomputer.
2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice
Menuwindowopens,releasetheF12key.
3.FromtheStartupDeviceMenuwindow,selectthedesiredopticaldriveasthestartupdevice.Then,
insertthediscintothisopticaldriveandpressEnter.Theupdatebegins.
4.Whenpromptedtochangetheserialnumber,itissuggestedthatyoudonotmakethischangeby
pressingN.However,ifyoudowanttochangetheserialnumber,pressY,thentypeintheserialnumber
andpressEnter.
5.Whenpromptedtochangethemachinetypeandmodel,itissuggestedthatyoudonotmakethis
changebypressingN.However,ifyoudowanttochangethemachinetypeandmodel,pressY,then
typeinthemachinetypeandmodelandpressEnter.
6.Followtheinstructionsonthescreentocompletetheupdate.Aftertheupdateiscompleted,removethe
discfromtheopticaldrive.
©CopyrightLenovo2011
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