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Lenovo Y330 manual „ Computer Screen Problems, Screen is blank

Models: Y330

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Y330 User Guide V1.0 EN (08.06.18).book Page 58 Thursday, July 3, 2008 1:57 PM

Chapter 4. Troubleshooting

If the sleep indicator is on, your computer is in sleep mode. Connect the AC adapter to the computer; then press any key or the power button.

If the sleep indicator is off, your computer is in sleep/hibernation mode or power-off state. Connect the AC adapter to the computer; then press the power button to resume operation.

If the system still does not return from sleep mode, your system has stopped responding, and you cannot turn off the computer; reset the computer. Unsaved data may be lost. To reset the computer, press and hold the Power button for 4 seconds or more. If the computer is still not reset, remove the AC adapter and the battery.

Computer Screen Problems

The screen is blank.

Do the following:

If you are using the AC adapter, or using the battery, and the battery

status indicator is on (is blue), press Fn + to make the screen brighter.

If the Power indicator is in blinking blue, press any key or the Power button to resume from the sleep mode.

If you still have the problem, do the Solution in the following problem “The screen is unreadable or distorted.”

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Lenovo Y330 manual „ Computer Screen Problems, Screen is blank

Contents

Lenovo IdeaPad Y330 Y330 User Guide V1.0 coveren2-3 If your product is not working correctlyEnergy Star model information Page Explanation of Hard Disk Capacity Page Contents Appendix B. Customer ContentsAppendix A. Lenovo Limited 101Iii Top View Getting to Know Your ComputerArray Microphone built-in Wireless LAN antennasPower button Getting to Know Your ComputerLeft-side View Getting to Know Your Computer Right-side View Security keyhole AC power adapter jackFront View Wireless device switch System status indicatorsBottom View Battery latch spring loaded Getting to Know Your Computer Battery latch manualHard Disk Drive ƒ Memory RAM compartmentFan louvers Rear View„ Putting your computer to Sleep Using Your Computer„ Shutting Down Your computer Using Your Computer Using the Touch Pad„ Numeric Keypad Using the Keyboard„ Function Key Combinations Fn + PrtSc/SysRq System request „ Touch inductive panel and multi-media buttons Special keys and buttonsMulti-media buttons ~ Using Your Computer Touch inductive panel ~„ OneKey Rescue System button „ Playing CDs/DVDs Using the optical drive„ Copying files to CDs/DVDs Using memory cards „ Inserting a memory card Using the Integrated Camera„ Removing a memory card „ Using LAN port Using the Internet„ Using wireless LAN „ Using modem port „ Attaching a Security Lock Optional Securing your computer„ Using VeriFace „ Using Passwords To set a Supervisor Password Select Set Supervisor Password, and press the Enter key Changing or Removing the Supervisor PasswordTo set a User Password Using Your Computer Changing or Removing the User Password To set a hard disk password Using Your Computer Hard Disk PasswordsChanging or Removing the HDD Passwords Using Your Computer Installing Device Drivers „ Checking Battery Status Using battery and AC adapter„ Your Computer Batteries „ Using the AC Adapter „ Charging the Battery „ Handling the Battery Connecting a Universal Serial Bus USB device Using external devicesUsing external devices Connecting an Ieee 1394 deviceConnecting a PC card device „ Removing a PCI Express card „ Inserting a PCI Express card„ Connecting a VGA monitor Connecting an external display„ Connecting a DVI monitor Connecting a headphone and audio device „ Switch between headphone and S/PDIF Connecting an external microphone „ Enabling Bluetooth communications Connecting a Bluetooth deviceFrequently Asked Questions TroubleshootingWhere are the recovery discs? Troubleshooting„ Display Problems TroubleshootingMy screen goes blank while the computer is on Number appears when you enter a letter „ a Password Problem„ Keyboard Problems Forgot my passwordComputer enters sleep mode unexpectedly „ Sleep or Hibernation ProblemsScreen is blank „ Computer Screen ProblemsClick the Advanced Settings button Troubleshooting Screen is unreadable or distortedTroubleshooting Incorrect characters appear on the screen „ Battery Problems „ Sound ProblemsOperating time for a fully charged battery is short „ a Startup Problem „ a Hard Disk Drive Problem„ Other Problems Computer does not start from a device you want Getting Help and Service Getting Help and ServiceGetting Help on the Web Getting Help and ServiceGetting Help and Service Getting Help and Service Getting Help around the World Important Safety Information Safety, Use, and Care Information„ Conditions That Require Immediate Action Safety, Use, and Care Information„ Safety Guidelines „ Service and Upgrades „ Power Cords and Power Adapters Safety, Use, and Care Information „ Plugs and Outlets „ Extension Cords and Related Devices„ Power Supply Statement „ Lithium Coin Cell Battery Notice „ Heat and Product Ventilation Safety, Use, and Care Information „ CD and DVD Drive Safety „ Electrical Current Safety Information Safety, Use, and Care Information „ Laser Compliance Statement Safety, Use, and Care Information „ Liquid Crystal Display LCD Notice Caring Your Computer „ Be Careful about Where and How You WorkSafety, Use, and Care Information Safety, Use, and Care Information „ Carry Your Computer Properly „ Be Gentle with Your Computer„ For outdoor use „ Handle Storage Media and Drives Properly „ Data Safety„ Other Important Tips „ Take Care in Setting Passwords„ Cleaning the Cover of Your Computer „ Cleaning Your Computer Keyboard „ Cleaning Your Computer Display Accessibility and Comfort„ Ergonomic Information Safety, Use, and Care Information „ What If You are Traveling? Maintenance„ Questions about Vision? „ General Tips for Maintenance Safety, Use, and Care Information 100 „ What This Warranty Covers Appendix A. Lenovo Limited Warranty101 102 „ How to Obtain Warranty Service„ What Your Service Provider Will Do to Correct Problems Appendix A. Lenovo Limited Warranty103 „ Exchange of a Product or Part„ Use of Personal Information „ Your Additional Responsibilities104 „ Limitation of Liability „ What This Warranty Does not Cover105 106 „ Other Rights „ Dispute Resolution107 108 „ European Economic Area EEA109 Warranty InformationCustomer Replaceable Unit CRU Service „ Types of Warranty Service110 111 Appendix A. Lenovo Limited Warranty On-site ServiceCourier or Depot Service Customer Carry-In or Mail-In Service112 Warranty Service Telephone Numbers113 114 Appendix B. Customer Replaceable Units CRUs115 Appendix C. SpecificationsSpecifications Environment ƒ TemperaturePack Appendix C. SpecificationsBattery 116117 Appendix D. NoticesAppendix D. Notices 118„ Television output notice „ Export classification notice119 „ Wireless Interoperability Wireless related information120 121 „ Usage Environment and Your Health122 „ Federal Communications Commission FCC Statement Electronic Emissions Notices123 „ Avis de conformité à la réglementation d’Industrie Canada „ Industry Canada Class B Emission Compliance Statement124 125 „ German Class B Compliance Statement126 127 „ European Union Compliance Statement Class B Compliance128 „ Korea Class B„ General Recycling Statement Weee and Recycling Statements129 130 EU Weee Statements131 Japan Recycling Statements132 „ Disposing of a Lenovo Computer Components133 134 135 Trademarks136 IndexIndex 137138 Keyboard Password Sleep Mode Sound Startup