Lenovo Y510 warranty a Password Problem, Keyboard Problems, Sleep or Hibernation Problems

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Chapter 3. Troubleshooting

My screen goes blank while the computer is on.

Your screen saver or power management may be enabled. Do one of the following to exit from the screen saver or to resume from sleep or hibernation mode:

Touch the touch pad.

Press a key.

Press the Power button.

A Password Problem

I forgot my password.

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

If you forgot your HDD password, Lenovo authorized servicer cannot 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 forget your supervisor password, Lenovo authorized servicer cannot 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.

Keyboard Problems

A number appears when you enter a letter.

The numeric lock function is on. To disable it, press Fn + Insert.

All or some of the keys on the external numeric keypad do not work.

Make sure that the external numeric keypad is correctly connected to the computer.

Sleep or Hibernation Problems

The computer enters sleep mode unexpectedly.

If the processor overheats, the computer automatically enters sleep mode to allow the computer to cool and to protect the processor and other internal components. Check the settings for sleep mode.

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Contents Lenovo IdeaPad Y510 Page Contents Read This First Read This First Getting to Know Your Computer Top ViewSystem status indicators Wireless LAN antennasBattery Capacity indicators Power buttonGetting to Know Your Computer AC power adapter jackLeft-sideView LAN portVGA port Ieee 1394 connectorGetting to Know Your Computer Fan louvers PCI Express card new card slotMicrophone jack external Right-side ViewHeadphone/SPDIF jack external Modem Port Getting to Know Your Computer Video jackOptical drive types vary by model Security keyholeSubwoofer Battery latch spring loadedBottom View Hard Disk Drive/ TV card Specific models only compartment Getting to Know Your Computer Battery packBattery latch manual ™ NotesFront View Multi-media reader slot Wireless device switchGetting to Know Your Computer Array Microphone built-in CIR port„ Shutting Down Your computer Using Your Computer„ Putting your computer to Sleep ¾ Warning„ Switch between wide screen and normal screen Adjusting the display„ Adjusting the brightness Using Your ComputerUsing the Touch Pad Using the Keyboard „ Numeric Keypad„ Function Key Combinations Fn + PrtSc/SysRq System requestSpecial keys and buttons „ Novo button„ Touch inductive panel and multi-media buttons Touch inductive panel a~lMulti-media buttons m~n Num Lock System status indicatorsDrive in use Battery Status Indicator Using Your Computer Caps LockPower Indicator Wireless Device Indicator„ Watching TV Watching TV and DVDPlaying a CD „ Watching DVDSecuring your computer Using the Integrated Camera„ Using Passwords To set a Supervisor Password Changing or Removing the Supervisor Password To set a User passwordChanging or Removing the User Password Hard Disk PasswordsTo set a hard disk password Installing Device Drivers Changing or Removing the HDD Passwords„ Using the AC Adapter Using battery and AC adapter„ Checking Battery Status „ Your Computer Batteries„ Charging the Battery „ Handling the Battery Using Your Computer ™ NoteTroubleshooting Frequently Asked Questions„ Display Problems Troubleshooting„ Sleep or Hibernation Problems „ a Password Problem„ Keyboard Problems Troubleshooting Screen is unreadable or distorted „ Computer Screen ProblemsScreen is blank „ Sound Problems Incorrect characters appear on the screen„ a Startup Problem „ Battery Problems„ a Hard Disk Drive Problem Computer does not start from a device you want „ Other ProblemsYour computer does not respond Getting Help on the Web Getting Help and ServiceGetting Help and Service Getting Help and Service Getting Help around the World „ Be Careful about Where and How You Work Caring Your Computer„ Carry Your Computer Properly Safety, Use, and Care Information„ Be Gentle with Your Computer „ Other Important Tips „ Take Care in Setting Passwords„ Handle Storage Media and Drives Properly „ Cleaning the Cover of Your Computer „ Cleaning Your Computer Keyboard „ Cleaning Your Computer DisplayAccessibility and Comfort „ Ergonomic Information„ What If You are Traveling? „ Questions about Vision?Maintenance „ General Tips for MaintenanceSafety, Use, and Care Information Appendix A. Warranty Information Warranty Information„ Types of Warranty Service Lenovo Warranty Service Telephone Numbers Warranty Service Telephone NumbersAppendix B. Customer Replaceable Units CRUs Storage device ProcessorMemory DisplayOptical drive Wireless featuresExpressCard slot CameraSpecifications Size Environment Power source AC adapter Battery packAppendix D. Notices „ Television output notice Appendix D. NoticesWireless related information „ Wireless Interoperability„ Usage Environment and Your Health Electronic Emissions Notices „ Federal Communications Commission FCC Statement„ European Union EMC Directive Conformance Statement „ Industry Canada Class B Emission Compliance Statement„ Avis de conformité à la réglementation d’Industrie Canada „ General Recycling Statement For Taiwan„ Japanese Vcci Class B Statement EU Weee Statements Japan Recycling Statements„ Disposing of a Lenovo Computer Components Copyright Lenovo 2007. All rights reserved. U.S. Government Appendix D. Notices Trademarks Index CPUIndex Handling