Lenovo R50 Series manual Password problem, Power switch problem, Keyboard problems

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Solving computer problems

than the display size. This is to maintain compatibility with other DOS applications. To expand the screen image to the same size as the actual screen, start the ThinkPad Configuration Program and click LCD; then select the Screen expansion function. (The image might still look slightly distorted.)

A password problem

Problem:

I forgot my password.

Solution:

If you forgot your power-on password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled.

If you forgot your hard disk password, Lenovo authorized servicer can not reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service.

If you forgot your supervisor password, Lenovo can not reset your password. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service.

A power switch problem

Problem:

The system does not respond, and you cannot turn off the computer.

Solution:

Turn off the computer by pressing and holding the power switch for 4 seconds or more. If the computer is still not reset, remove the ac adapter and the battery.

Keyboard problems

Problem:

All or some of the keys on the keyboard do not work.

Solution:

If the problem occurred immediately after the computer returned from standby mode, enter the power-on password if one has been set.

If an external PS/2® keyboard is connected, the numeric keypad on your computer does not work. Use the numeric keypad on the external keyboard.

If an external numeric keypad or a mouse is connected:

1.Turn off the computer.

Chapter 2. Solving computer problems 19

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Contents ThinkPad R50 Series Service and Troubleshooting Guide Page ThinkPad R50 Series Service and Troubleshooting Guide Page Contents Iv ThinkPad R50 Series Service and Troubleshooting Guide Σηµε Σηµαντικ Οδηγ Σχετικ Με την ασϕΑπ εξουσιοδοτηµ Τεχνικ Και µε κ Ηλεκτρονικ Καταστ Που πρ Να αντιµετωπΕπικ Κινητ µ Αποϕ Την επαϕ µε τα δ Σας και µε Του σ Γενικ οδηγ ΑσϕΣυντ Προσοχ Καλ Και µετασχηµατιστΕπεκτ Καλωδ Και σχετικ Συσκευ Μπαταρ Φις και πρΘερµ Και εξαερισµ DVD CD και DVDΚΙΝ∆ΥΝΟΣ Πληροϕορ ΑσϕXiii CDC ΠροσοχηDVD-ROM Σχετικ Με τις προδιαγραϕ Των συσκευ LaserΠΡΟΕΙ∆ΟΠΟΙΗΣΗ Ο χειρισµ Information about hard disk capacity Important notice for usersImportant regulatory notice for users Xviii ThinkPad R50 Series Service and Troubleshooting Guide Xix Finding information with Access IBMXx ThinkPad R50 Series Service and Troubleshooting Guide Overview of your new ThinkPad computer Rear view Your ThinkPad at a glanceFront view Features Features Specifications Caring for your ThinkPad computer Important tips Be careful about where and how you workBe gentle with your computer Carry your computer properlyOther important tips Take care in setting passwordsHandle storage media and drives properly Cleaning your computer keyboard Cleaning the cover of your computerCare for the fingerprint reader Cleaning your computer displayCaring for your ThinkPad computer Solving computer problems Troubleshooting Diagnosing problemsError messages Click PC-DoctorSolving computer problems Solving computer problems Solving computer problems Select Security -IBM Predesktop Area -Access IBM Predesktop Solution Errors without messagesProblem My screen goes blank while the computer is on Keyboard problems Password problemPower switch problem UltraNav problems Standby or hibernation problems If these items are correct, have the computer serviced Select Timer Wake with Battery Operation by pressing Enter Click Power Management Computer screen problemsClick Advanced Battery problemsHard disk drive problems Startup problem Fingerprint authentication problems Other problems Solution Problem Starting Bios Setup Utility Recovering pre-installed software Starting Bios Setup UtilityUpgrading the hard disk drive 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 world Usage environment and your health Appendix A. Wireless related informationWireless interoperability Authorized Operation Within the United States and Canada Enabling Extended Channel Mode ThinkPad R50 Series Service and Troubleshooting Guide Lenovo Statement of Limited Warranty Appendix B. Warranty informationWhat this Warranty Covers Part 1 General TermsWhat Lenovo Will Do to Correct Problems What this Warranty Does not CoverHow to Obtain Warranty Service 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 R50 Series Service and Troubleshooting Guide France Following Terms Apply to the Country Specified AustriaEgypt Ireland GermanyHungary Slovakia Items for Which Lenovo is Not LiableUnited Kingdom Warranty Period Part 3 Warranty InformationTypes Types Customer Replaceable Unit ″CRU″ Service Types of Warranty ServiceCourier or Depot Service On-site ServiceCustomer Carry-In or Mail-In Service CRU and On-site ServiceWorldwide telephone list Country or Region Telephone Number Country or Region Telephone Number Guarantee supplement for Mexico ThinkPad R50 Series Service and Troubleshooting Guide Customer replaceable units CRUs Appendix C. Customer Replacement Units CRUsThinkPad R50 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 statementEnvironmental notices for Japan Disposing of a disused lithium batteryHandling a disused ThinkPad battery pack IBM Lotus Software Offer European Countries U. S. Or Canada Call Latin American CountriesAsia Pacific Countries TrademarksThinkPad R50 Series Service and Troubleshooting Guide Index ThinkPad R50 Series Service and Troubleshooting Guide Page Part Number 39T2410