Lenovo Z370, Z470, Z570 manual Troubleshooting Other problems, Respond

Page 48

Chapter 5. Troubleshooting

Other problems

Your computer does not	• To turn off your computer, press and hold the power button
respond.	for 4 seconds or more. If the computer still does not respond,
	remove the AC adapter and the battery.
	• Your computer might lock when it enters sleep mode
	during a communication operation. Disable the sleep timer
	when you are working on the network.

The computer does not start from a device you want.

•See the Boot menu of the BIOS setup utility. Make sure that the Boot priority order in the BIOS setup utility is set so that the computer starts from the device you want.

•Also make sure that the device from which the computer starts is enabled. In the Boot menu in the BIOS setup utility, make sure that the device is included in the Boot priority order list.

•Press F12 when the Lenovo logo appears on the screen while the computer is starting up to select the device you want the computer starts from.

The connected external device	• Do not connect or disconnect any external device cables
does not work.	other than USB while the computer power is on; otherwise,
	you might damage your computer.
	• When using a high power consumption external devices
	such as an external USB optical disk drive, use external
	device power adapter. Otherwise, the device may not be
	recognized, or system shut down may result.

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Contents IdeaPad Z370/Z470/ Z570 Regulatory Notice First Edition December Copyright Lenovo Contents Page Getting to know your computer Z370/Z470Top view „ Z570 Getting to know your computerCamera Wireless module antennas Computer display Speakers Power button OneKey Rescue system buttonGetting to know your computer Integrated Thermal management button„ Z370/Z470 Left-side viewESATA/USB Getting to know your computer Combo port USB port„ Z370 „ Z470 „ Z570 Right-side viewOptical drive Getting to know your computer USB port Front view „ Z370 Bottom viewC d Battery pack „ Connecting to the power „ Configuring the operating systemLearning the basics „ Reading the manuals„ Shutting down your computer Putting your computer into sleep stateLearning the basics „ Checking battery status „ Charging the battery„ Removing the battery pack „ Handling the batteryUsing the touchpad Using the keyboard „ Numeric keypad Z370/Z470Z570 „ Function key combinations Learning the basics „ Using memory cards not supplied Inserting a memory cardRemoving a memory card „ Connecting USB devices „ Connecting Bluetooth enabled devices on select models Enabling Bluetooth communications on your computer„ Volume buttons b~d „ OneKey Rescue system button aSpecial keys and buttons „ OneKey Theater button e Standard mode Super silent modeEfficient thermal dissipation mode „ Thermal management button fPerforming dust cleaning System status indicators Page „ Using VeriFace „ Attaching a security lock not suppliedSecuring your computer „ Using passwords Enabling Nvidia Optimus on select modelsConnecting to the Internet Wired connection„ Software configuration Connecting to the Internet„ Hardware connection Wireless connection Wi-Fi WiMAXSoftware configuration Hardware connectionOneKey Rescue system „ IntroductionOneKey Rescue system „ Creating a recovery discs OneKey Rescue systemOneKey Rescue system Troubleshooting Frequently asked questionsWhere can I find warranty information? Troubleshooting Display problemsTroubleshooting Password problems 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 pack Appendix A. CRU instructionsAppendix A. CRU instructions Replacing the hard disk drive Handling a hard disk driveZ370 Appendix A. CRU instructions Appendix A. CRU instructions Z470/Z570 Z570 Pull the tab in the direction shown by arrow d Take out the hard disk drive secured in a metal frame e Appendix A. CRU instructions Replacing memory Appendix A. CRU instructions Appendix A. CRU instructions Removing the optical drive Setup Poster User Guide Trademarks Page New World. New Thinking.TM