IBM G40 manual Computer screen problems, Click Power Management

Page 44

Solving computer problems

vIf the standby indicator is off, your computer is in hibernation mode or power-off state. Connect the ac adapter to the computer; then press power button to resume operation.

If the system still does not return from standby mode, your system may stop responding and you cannot turn off the computer. In this case, you need to reset the computer. If you have not saved your data, it may be lost. To reset the computer, press and hold the power button for 4 seconds or more. If the system is still not reset, remove the ac adapter and the battery.

Problem: Your computer does not enter standby or hibernation mode.

Solution: Check whether any option has been selected that would disable your computer from entering standby or hibernation mode.

Problem: The Fn+F12 key combination does not cause the computer to enter hibernation mode.

Solution: The computer cannot enter hibernation mode. If the hibernation mode is not enabled. To enable it, do as follows:

1.Start the ThinkPad Configuration Program.

2.Click Power Management.

3.Click the Hibernate tab.

4.Select the hibernate support checkbox.

5.Click OK.

Note: You can enter hibernation mode by pressing Fn+F12 only if the PM driver has been installed.

Problem: Under Windows XP, the Fn+F3 key combination does not make the computer screen go blank.

Solution: Windows XP enables multiple users to log on to the system at the same time. If you are the first user to have logged on to your computer, you can use the Fn+F3 key combination. Otherwise the combination will not work on your computer.

Computer screen problems

Problem: The screen is blank.

Solution:

vIf the standby status indicator is on (is green), press Fn to resume from the standby mode.

22ThinkPad® G40 Series Service and Troubleshooting Guide

Image 44
Contents ThinkPad G40 Series Service and Troubleshooting Guide Page ThinkPad G40 Series Service and Troubleshooting Guide Page Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePlugs and outlets Power cords and power adaptersExtension cords and related devices Batteries Heat and product ventilation CD and DVD drive safetyAdditional safety information Viii ThinkPad G40 Series Service and Troubleshooting Guide Important safety information ThinkPad G40 Series Service and Troubleshooting Guide Laser compliance statement Xii ThinkPad G40 Series Service and Troubleshooting Guide Important safety information Xiv ThinkPad G40 Series Service and Troubleshooting Guide Information about hard disk capacity Important notice for usersImportant regulatory notice for users Xvi ThinkPad G40 Series Service and Troubleshooting Guide Finding information with Access IBM XviiXviii ThinkPad G40 Series Service and Troubleshooting Guide Contents Xx ThinkPad G40 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Your ThinkPad at a glance Front viewFeatures Diskette drive External interfaceSpecifications Important tips Be careful about where and how you work Caring for your ThinkPad computerBe gentle with your computer Carry your computer properlyOther important tips Take care in setting passwordsHandle storage media and drives properly Cleaning your computer display Cleaning the cover of your computerCleaning your computer keyboard Caring for your ThinkPad computer Caring for your ThinkPad computer Solving computer problems Diagnosing problems Click PC-DoctorTroubleshooting Error messagesSolving computer problems Solving computer problems Select Security IBM Predesktop Area- Access IBM Predesktop Errors without messages Password problem Power switch problemKeyboard problems TrackPoint problemsProblem SolutionStandby or hibernation problems Solving computer problems Computer screen problems Click Power ManagementFor Windows XP Click Control PanelClick Advanced For WindowsBattery problems Hard disk drive problems Startup problems Other problems Solving computer problems Solving computer problems Starting IBM Bios Setup Utility Solving computer problems Recovering pre-installed software Click Restore factory contentsReplacing the hard disk drive Handling a hard disk driveReplacing the hard disk drive Replacing the hard disk drive Replacing the battery Replacing the battery Replacing the battery Getting help and service from IBM Calling IBM Getting help and serviceGetting help on the Web IBM FRU Telephone numbersGetting help and service Getting help around the world Getting help and service Usage environment and your Health Appendix A. Wireless related informationWireless Interoperability Enabling Extended Channel Mode Authorized Operation Within the United States and CanadaAppendix A. Wireless related information ThinkPad G40 Series Service and Troubleshooting Guide Before you call for service Appendix B. Warranty informationWarranty service and support Calling for service What this Warranty Does not Cover How to Obtain Warranty Service What IBM Will Do to Correct ProblemsLimitation of Liability Exchange of a Machine or PartYour Additional Responsibilities Jurisdiction Part 2 Country-unique TermsGoverning Law Argentina CAMBODIA, LAOS, and Vietnam Malasia Following Terms Apply to ALL Emea Countries How to Obtain Warranty Service ThinkPad G40 Series Service and Troubleshooting Guide European Union EU ThinkPad G40 Series Service and Troubleshooting Guide Egypt Germany Items for Which IBM is Not Liable SlovakiaPart 3 Warranty Information Warranty PeriodCustomer Replaceable Unit ″CRU″ Service On-site ServiceCourier or Depot Service Customer Carry-In or Mail-In ServiceGuarantee supplement for Mexico Support Center telephone numbersThinkPad G40 Series Service and Troubleshooting Guide Appendix C. Notices Processing date dataReferences to Web site addresses Electronic emission noticesIndustry Canada Class B Emission Compliance Statement Environmental notices for Japan Disposing of a disused lithium batteryHandling a disused ThinkPad battery pack Trademarks ThinkPad G40 Series Service and Troubleshooting Guide Appendix C. Notices ThinkPad G40 Series Service and Troubleshooting Guide Appendix C. Notices Part Number / Numéro de référence 49P1094 NEW FastSite intranet publisher KEY Features and Benefits Conditions of Use Lotus Warranty Support Appendix C. Notices ThinkPad G40 Series Service and Troubleshooting Guide Appendix C. Notices ThinkPad G40 Series Service and Troubleshooting Guide Index ThinkPad G40 Series Service and Troubleshooting Guide Page Part Number 92P2196