Lenovo G565, G465 manual Computer screen problems, Puter does not work

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Chapter 5. Troubleshooting

The computer does not return	• If the computer does not return from sleep mode, it may
from sleep mode and the com-	have entered hibernation mode automatically because the
puter does not work.	battery is depleted. Check the power indicator.
	• If your computer is in sleep mode, connect the AC adapter
	to the computer, then press any key or the power button.
	• If your computer is in hibernation mode or power-off state,
	connect the AC adapter to the computer, then press the
	power button to resume operation.

Note: 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, press Fn + ↑ to make the
		screen brighter.
		- If the power indicator is in blinking, press the power
		button to resume from the sleep mode.
		- If the problem persist, 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 on	• Did you install the operating system or application program
the screen.		correctly? If they are installed and configured correctly,
		have the computer serviced.

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Contents Lenovo G465/G565 Regulatory Notice Contents Page Getting to know your computer „ G465Top view „ G565 Getting to know your computerGetting to know your computer Integrated Camera Select Models onlyEnergy SpeakersLeft-side view Fan louversRJ-45 port VGA portRight-side view Optical driveFront view Bottom view „ Conncting to the power „ Configuring the operating systemLearning the basics „ Reading the manuals„ Shutting down your computer Learning the basics„ Checking battery status „ Charging the battery„ Removing the battery pack „ Handling the batteryUsing the touchpad Using the keyboard „ Numeric keypad G465„ Function key combinations Learning the basics Connecting external devices „ Using memory cards not supplied„ Connecting a universal serial bus USB device „ Connecting a Bluetooth device Select models only„ OneKey Rescue system button a „ Energy Management button b Select models onlySpecial keys and buttons System status indicators Caps lock indicator G465 G565 Num lock indicator G465„ Using VeriFace „ Attaching a security lock not suppliedSecuring your computer „ Using passwords Connecting to the Internet Wired connection„ Software configuration Connecting to the Internet„ Hardware connection Wireless connection Wi-Fi WiMAXHardware connection OneKey Rescue system „ IntroductionOneKey Rescue system OneKey Rescue system Troubleshooting Frequently asked questionsHow can I install the device drivers? Troubleshooting Display problemsTroubleshooting Password problem Keyboard problemsSleep or hibernation problems Computer screen problems Puter does not workTroubleshooting Sound problems Battery problemsHard disk drive problem Startup problemTroubleshooting Other problems RespondReplacing the battery Appendix A. CRU instructionsAppendix A. CRU instructions Handling a hard disk driveAppendix A. CRU instructions Appendix A. CRU instructions Appendix A. CRU instructions Replacing memory Appendix A. CRU instructions Appendix A. CRU instructions Removing the optical drive Appendix A. CRU instructions Appendix B. Lenovo limited warranty „ What this warranty covers„ How to obtain warranty service „ What your service provider will do to correct problemsAppendix B. Lenovo limited warranty „ Replacement of a product or part „ Your additional responsibilities„ What this warranty does not cover „ Use of personal information„ Limitation of liability „ Dispute resolution „ Other rights„ European Economic Area EEA Warranty information „ Types of warranty service Appendix B. Lenovo limited warranty Appendix C. Product specific Notices Energy star informationAppendix C. Product specific Notices WindowsElectronic emissions notices „ Federal Communications Commission FCC Statement„ Industry Canada Class B Emission Compliance Statement „ Avis de conformité à la réglementation d’Industrie Canada„ German Class B Compliance Statement Appendix C. Product specific Notices „ European Union Compliance Statement Class B Compliance Appendix D. Specifications G465 G565 Form FactorSystem PortsTrademarks Problems IndexIndex Page Do not Return IT to the Store New World. New Thinking.TM