Troubleshooting Screen is unreadable or distorted | Lenovo Y730

Lenovo IdeaPad Y730 UG V1.0_en.book Page 64 Friday, June 27, 2008 6:06 PM

Chapter 4. Troubleshooting

The screen is unreadable or distorted.

Make sure that:

The display device driver is installed correctly.

The screen resolution and color quality are correctly set.

The monitor type is correct.

To check these settings, do as follows:

1Right-click on the desktop, and select Personalize from the popup menu.

2Click Display Settings and check whether the screen resolution and color quality are correctly set.

3Click the Advanced Settings button.

4 Click the Adapter tab.

5 Make sure that the correct device driver name is shown in the adapter information window.

Note:

The device driver name depends on the video chip that has been installed on your computer.

6Click the Properties button. If you are prompted for an administrator password or confirmation, enter the password or provide confirmation. Check the “Device status” box and make sure the device is working properly. If not, click the Troubleshoot button.

7Click the Monitor tab.

8Make sure the information is correct.

9Click the Properties button or the Troubleshoot button.

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Lenovo Y730 manual Troubleshooting Screen is unreadable or distorted, Click the Advanced Settings button

Contents

Lenovo IdeaPad Y730 Lenovo IdeaPad Y730 UG V1.0 coveren2-3 If your product is not working correctly Energy Star model information Page Explanation of Hard Disk Capacity Page Contents Appendix a Contents Safety106 Appendix B. Customer Iii Contents Top View Getting to Know Your Computer Power button Wireless LAN antennasGetting to Know Your Computer Computer display Left-side View AC power adapter jack VGA port Getting to Know Your Computer Fan louvers Right-side View Security keyhole TV-in jack Specific models only Front View Wireless device switch System status indicatorsBass switch Bottom View Battery latch spring loaded Getting to Know Your Computer Battery latch manual2nd Hard Disk Drive Specific models only Subwoofer ƒ Wireless LAN Card compartment „ 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 buttons Multi-media buttons ~ Using Your Computer Touch inductive panel ~ „ Lenovo game zone Specific models only Using Your Computer „ 17 Numeric Keys Specific models only „ OneKey Rescue System button „ Playing CDs/DVDs/Blu-ray Disc Media Using the optical drive„ Copying files to CDs/DVDs/Blu-ray Discs 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 Password To set a User Password Using Your Computer Changing or Removing the User Password To set a hard disk password Using Your Computer Hard Disk Passwords Changing or Removing the HDD Passwords Using Your Computer Installing Device Drivers „ Your Computer Batteries Using battery and AC adapter „ Using the AC Adapter „ Checking Battery Status Using Your Computer „ Handling the Battery „ Charging the Battery Using Your Computer Connecting a Universal Serial Bus USB device Using external devices Using external devices Connecting an Ieee 1394 device Connecting 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 Specific models only Connecting a computer Specific models only Connecting a headphone and audio device „ Switch between headphone and S/PDIF Connecting an external microphone „ Enabling Bluetooth communications Connecting a Bluetooth device Frequently Asked Questions Troubleshooting Where are the recovery discs? Troubleshooting „ Display Problems Troubleshooting My screen goes blank while the computer is on „ Keyboard Problems „ a Password ProblemForgot my password Number appears when you enter a letter Computer enters sleep mode unexpectedly „ Sleep or Hibernation Problems Screen is blank „ Computer Screen Problems Click the Advanced Settings button Troubleshooting Screen is unreadable or distorted Troubleshooting 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 Service Getting Help on the Web Getting Help and Service Getting 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 Work Safety, 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 100 „ Ergonomic Information 101 „ What If You are Traveling? Maintenance„ Questions about Vision? 102 103 „ General Tips for Maintenance 104 105 „ What This Warranty Covers Appendix A. Lenovo Limited Warranty106 „ What Your Service Provider Will Do to Correct Problems „ How to Obtain Warranty ServiceAppendix A. Lenovo Limited Warranty 107 108 „ Exchange of a Product or Part „ Use of Personal Information „ Your Additional Responsibilities109 „ Limitation of Liability „ What This Warranty Does not Cover110 111 „ Other Rights „ Dispute Resolution112 113 „ European Economic Area EEA 114 Warranty Information Customer Replaceable Unit CRU Service „ Types of Warranty Service115 Courier or Depot Service Appendix A. Lenovo Limited Warranty On-site ServiceCustomer Carry-In or Mail-In Service 116 117 Warranty Service Telephone Numbers 118 119 Appendix B. Customer Replaceable Units CRUs Specifications Appendix C. SpecificationsEnvironment ƒ Temperature 120 Battery Appendix C. Specifications121 Pack 122 Appendix D. Notices Appendix D. Notices 123 „ Television output notice „ Export classification notice124 „ Wireless Interoperability Wireless related information125 126 „ Usage Environment and Your Health 127 „ Note to Catv system installer „ Products with television tuner options installedTV tuner information 128 129 „ Example of antenna grounding 130 „ Federal Communications Commission FCC Statement Electronic Emissions Notices131 „ Avis de conformité à la réglementation d’Industrie Canada „ Industry Canada Class B Emission Compliance Statement132 133 „ German Class B Compliance Statement 134 135 „ European Union Compliance Statement Class B Compliance 136 „ Korea Class B „ General Recycling Statement Weee and Recycling Statements137 138 EU Weee Statements 139 Japan Recycling Statements 140 „ Disposing of a Lenovo Computer Components 141 142 143 Trademarks 144 Index Index 145 146 Problems 147