Lenovo G40 Series manual Solving computer problems

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	Solving computer problems

Message	Solution

0280: Previous boot	Your computer was previously unable to complete the boot process.
incomplete	Turn the computer off; then turn it on to start the BIOS Setup Utility. Verify

	the configuration and then restart the computer either by choosing the Exit
	Saving Changes option under the Restart item or by pressing F10. If you
	still see the same error code, have the computer serviced.

02D0: System cache error	The cache is disabled. Have the computer serviced.

02F4: EISA CMOS not	Have the computer serviced.
writable

02F5: DMA test failed	Have the computer serviced.

02F6: Software NMI	Have the computer serviced.
failed

02F7: Fail-safe timer NMI	Have the computer serviced.
failed

1802: Unauthorized	The Mini-PCI network card is not supported on this computer. Remove it.
network card is plugged
in - Power off and
remove the miniPCI
network card.

1803: Unauthorized	The daughter card is not supported on this computer. Remove it.
daughter card is plugged
in - Power off and
remove the daughter
card.

1804: Unauthorized	You cannot use the attached battery with this computer. Replace it with a
battery is detected-	battery of the correct model.
Replace it with a battery
of the correct model.

Chapter 2. Solving computer problems 15

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Contents ThinkPad G40 Series Service and Troubleshooting Guide Page ThinkPad G40 Series Service and Troubleshooting Guide Page Contents Iv ThinkPad G40 Series Service and Troubleshooting Guide Σηµε Σηµαντικ Οδηγ Σχετικ Με την ασϕΝα βρε Κατ Με τους αριθµο τηλεϕ Που µπορε Να καλ Για Να ζητ Εξουσιοδοτηµ Τεχνικ Και µε κ ΗλεκτρονικΚαι υποστ Στην απ Προσοχ ΚΙΝ∆ΥΝΟΣΚαλ Και µετασχηµατιστ Φις και πρ Θερµ Και εξαερισµ CD και DVD Πληροϕορ Ασϕ Xiii CDC ΠροσοχηΣχετικ Με τις προδιαγραϕ Των συσκευ Laser ΠΡΟΕΙ∆ΟΠΟΙΗΣΗ Ο χειρισµ Important regulatory notice for users Important notice for usersInformation about hard disk capacity Xviii ThinkPad G40 Series Service and Troubleshooting Guide Xix Finding information with Access IBMXx ThinkPad G40 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Front view Your ThinkPad at a glanceRear view Features External interface Diskette driveSpecifications Caring for your ThinkPad computer Important tips Be careful about where and how you workBe gentle with your computer Carry your computer properlyHandle storage media and drives properly Take care in setting passwordsOther important tips Cleaning your computer keyboard Cleaning the cover of your computerCleaning your computer display Caring for your ThinkPad computer Solving computer problems Troubleshooting Diagnosing problemsError messages Click PC-DoctorSolving computer problems Solving computer problems Solving computer problems Select Security Predesktop Area- Access IBM Predesktop Area Problem Errors without messagesSolution Password problem Keyboard problems Power switch problemTrackPoint problems Standby or hibernation problems Click Power Management For Windows XP Computer screen problemsClick Control Panel Click AdvancedFor Windows Hard disk drive problems Battery problemsStartup problem Solving computer problems Other problems Solving computer problems Starting Bios Setup Utility Click Restore factory contents Recovering pre-installed softwareHandling a hard disk drive Upgrading the hard disk driveUpgrading the hard disk drive Replacing the battery Replacing the battery Replacing the battery Getting help and service Getting help on the Web Calling the Customer Support Center Getting help and serviceFRU Getting help around the worldGetting help and service Wireless interoperability Appendix A. Wireless related informationUsage environment and your health Authorized Operation Within the United States and Canada Enabling Extended Channel ModeAppendix A. Wireless related information ThinkPad G40 Series Service and Troubleshooting Guide Lenovo Statement of Limited Warranty Appendix B. Warranty informationWhat this Warranty Covers Part 1 General TermsHow to Obtain Warranty Service What this Warranty Does not CoverWhat Lenovo Will Do to Correct Problems Your Additional Responsibilities Exchange of a Machine or PartGoverning Law Limitation of LiabilityPart 2 Country-unique Terms Paraguay MexicoPeru UruguayAsia Pacific Australia United StatesCambodia and Laos CAMBODIA, INDONESIA, and LaosIndia Malaysia JapanNEW Zealand PEOPLE’S Republic of China PRCEUROPE, Middle EAST, Africa Emea SingaporeGoverning Law Arbitration The following is added under this heading Consumers European Union EUThinkPad G40 Series Service and Troubleshooting Guide Egypt Following Terms Apply to the Country Specified AustriaFrance Hungary GermanyIreland Slovakia Items for Which Lenovo is Not LiableUnited Kingdom Warranty Period Part 3 Warranty InformationOn-site Service Customer Replaceable Unit ″CRU″ ServiceCourier or Depot Service Customer Carry-In or Mail-In ServiceWorldwide telephone list CRU and Customer Carry-In or Mail-In ServiceCountry or Region Telephone Number Country or Region Telephone Number Guarantee supplement for Mexico Appendix B. Warranty information ThinkPad G40 Series Service and Troubleshooting Guide IBM Appendix C. Customer Replaceable Units CRUsThinkPad G40 Series Service and Troubleshooting Guide Appendix D. Notices Electronic emissions notices Television output noticeEuropean Union EMC Directive conformance statement Industry Canada Class B emission compliance statementHandling a disused ThinkPad battery pack Disposing of a disused lithium batteryEnvironmental notices for Japan IBM Lotus Software Offer European Countries U. S. Or Canada Call Latin American CountriesAsia Pacific Countries TrademarksThinkPad G40 Series Service and Troubleshooting Guide Index ThinkPad G40 Series Service and Troubleshooting Guide Page Part Number 39T5951