Troubleshooting Computer screen problems | Lenovo Y460P, Y560P

Chapter 5. Troubleshooting

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, press
		Fn + to make the screen brighter.
		- If the power indicator is blinking, press the power
		button to resume from the sleep mode.
		- If the problem persists, follow the solution in the
		following problem “The screen is unreadable or
		distorted.”
		- Press Fn+F2 to confirm whether the LCD screen
		has been turned off.
The screen is unreadable or	•	Make sure that:
distorted.		- The display device driver is installed correctly.
		- The screen resolution and color quality are
		correctly set.
		- The monitor type is correct.
Incorrect characters appear	• Did you install the operating system or application
on the screen.		program correctly? If they are installed and
		configured correctly, have the computer serviced.

Sound problems
No sound can be heard	•	Make sure that:
from the speaker even		- The Mute function is off.
when the volume is turned		- The headphone jack is not used.

up.	- Speakers is selected as a playback device.

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Lenovo Y460P, Y560P manual Troubleshooting Computer screen problems, Sound problems

Contents

Lenovo IdeaPad Y460p/Y560p First Edition September Copyright Lenovo Respective Users Explanation of hard disk capacity Page Page Contents 126 Contents Appendix C. Lenovo limitedAppendix F. Features 124 Iii Important safety informationImportant safety information „ Read this first Important safety information Unpack Important safety information Working place Important safety information On using Vii Important safety information Viii Important safety information Service and upgrades „ IdeaPad Y460p Getting to know your computer Getting to know your computer „ IdeaPad Y560p Lenovo SlideNav Speakers Power buttonGetting to know your computer Integrated Camera Left-side view RJ-45 portUSB port „ IdeaPad Y460p „ IdeaPad Y560p Right-side view Combo port ExpressCard Slot Y560p Optical drive Only Y560p AC powerGetting to know your computer USB port ESATA/USB Front view Integrated wireless device switch Bottom view „ IdeaPad Y560p Compartment Hard disk drive Battery packCentral Processing Unit CPU/ Memory „ Read the manuals „ Connect to the powerInstall the battery pack Learning the basics Putting your computer into sleep state „ Configure the operating system„ Turn on the computer Learning the basics „ Shutting down your computer Using AC adapter and battery „ Checking battery status„ Charging the battery „ Removing the battery pack „ Handling the battery Left click button Right click button Using the touchpad Rotating „ GesturesPinch zoom Two-Finger Scrolling Learning the basics Three-Finger Flick „ Numeric keypad Using the keyboard „ Function key combinations Fn + Special keys and buttons OneKey Rescue System button Learning the basics Lenovo SlideNav bar OneKey Theater II button Learning the basics Cap Sensor buttons System status indicators „ Attaching a security lock not supplied Securing your computer „ Using passwords „ Using VeriFace „ Using media cards not supplied Connecting external devices Removing a media card Learning the basics Inserting a media card „ Connecting a universal serial bus USB device „ Connecting a Bluetooth device specific models onlyEnabling Bluetooth communications To change the GPU, do the following Wired connection Using the Internet Cable „ Software configurationUsing the Internet „ Hardware connection Wi-Fi Wireless connection Hardware connection „ Using Wi-Fi/WiMax specific models onlyEnabling wireless connection Software configuration OneKey Rescue System OneKey Rescue System„ Introduction OneKey Rescue System OneKey Rescue System Frequently Asked Questions Troubleshooting Where are the recovery discs? Troubleshooting What can I do if the backup process fails? Display problems Troubleshooting Computer is on Problems on changing graphics processing unit GPU Forgot my password Password problem Sleep or hibernation problems Troubleshooting Keyboard problems Computer does not return from sleep mode and does not work Sound problems Troubleshooting Computer screen problems Troubleshooting Battery problems Hard disk drive problemStartup problem Other problems Troubleshooting OneKey Rescue System problems Connected external Upgrading and replacing devices Replacing the battery Upgrading and replacing devices Replacing memory Upgrading and replacing devices Upgrading and replacing devices Upgrading and replacing devices Handling a hard disk drive Replacing the hard disk drive Upgrading and replacing devices Upgrading and replacing devices Upgrading and replacing devices Upgrading and replacing devices Appendix A. Getting help and service Getting help on the Web Appendix A. Getting help and service Appendix A. Getting help and service Appendix A. Getting help and service Getting help around the world „ Be careful about where and how you work Appendix B. Use and care informationCaring for your computer Appendix B. Use and care information „ Notice of static-electricity „ Be gentle with your computer „ For outdoor use „ Carry your computer properly „ Handle storage media and drives properly „ Data safety „ Take care in setting passwords„ Other important tips Appendix B. Use and care information „ Ergonomic information Accessibility and comfort „ Questions about vision? „ What if you are traveling? „ General tips for maintenance Maintenance Appendix B. Use and care information „ Cleaning the cover of your computer „ Cleaning your computer keyboard „ Cleaning your computer display „ What this warranty covers Appendix C. Lenovo limited warranty „ How to obtain warranty service „ What your service provider will do to correct problemsAppendix C. Lenovo limited warranty Information „ Replacement of a product or part „ Use of personal information „ Your additional responsibilities „ What this warranty does not cover „ Limitation of liability „ Dispute resolution „ European Economic Area EEA „ Other rights Lenovo Technology B.V. Turkiye Istanbul Subesi „ Lenovo Turkey address Productor machine type Country or region Purchase Warranty information Customer Replaceable Unit CRU Service „ Types of warranty service Appendix C. Lenovo limited warranty On-site Service Courier or Depot ServiceCustomer Carry-In or Mail-In Service Product Exchange Service Appendix D. Customer replaceable units CRUs Appendix D. Customer replaceable units CRUs Appendix E. Notices Appendix E. Notices 100 101 „ Export classification notice 102 Energy Star model information Windows 103 104 „ Wireless interoperability 105 „ Usage environment and your health 106 „ Safety information related to Mobile Broadband 107 108 „ Products with television tuner options installed„ Note to Catv system installer TV tuner information Y560p only 109 „ Example of antenna grounding Following notice applies to all countries and regions 110 Electronic emissions notices „ Federal Communications Commission FCC Statement111 112 „ Industry Canada Class B Emission Compliance Statement „ Avis de conformité à la réglementation d’Industrie Canada „ German Class B Compliance Statement113 114 115 „ European Union Compliance Statement Class B Compliance 116 „ Japan Compliance Statement for Power line Harmonics „ Korea Class B117 Weee and recycling statements „ General recycling statement118 119 EU Weee statements 120 Japan recycling statements 121 „ Disposing of a Lenovo Computer Components 122 123 IdeaPad Y560p 20077/4397 Form Factor Y460p Appendix F. Features and Specifications124 Machine Type 20076/4395 125 Appendix F. Features and Specifications Ports 126 Trademarks 127 Index Index 128 129 Do not Return IT to the Store New World. New Thinking.TM