Lenovo Z585, Z485, Z580, Z480, Z380 manual Troubleshooting Other problems, Respond

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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 Lenovo IdeaPad Z380/Z480/Z485/ Z580/Z585 Regulatory Notice First Edition December Copyright Lenovo Contents Page Getting to know your computer „ Lenovo IdeaPad Z380/Z480/Z485Top view „ Lenovo IdeaPad Z580/Z585 Getting to know your computerCap sensor buttons Built-in microphone Touchpad Left-side view „ Lenovo IdeaPad Z380 „ Lenovo IdeaPad Z480/Z485/Z580/Z585 Right-side viewFront view „ Lenovo IdeaPad Z380 Bottom viewBattery latch manual Battery pack Learning the basics „ Connecting to the power„ Configuring the operating system „ 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 Touchpad Touchpad buttonLenovo IdeaPad Z380/Z480/Z485 Using the keyboard„ Numeric keypad Lenovo IdeaPad Z580/Z585„ Function key combinations Lenovo IdeaPad Z380/Z480/Z485 Lenovo IdeaPad Z580/Z585Fn + Home Fn + Esc Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6Fn + PrtSc Fn + EndInserting a memory card „ Using memory cards not suppliedConnecting external devices Removing a memory card„ Connecting USB devices „ Connecting Bluetooth enabled devices on select modelsEnabling Bluetooth communications on your computer „ OneKey Rescue system button a Special keys and buttons„ Cap Sensor buttons Standard mode Thermal management button fPerforming dust cleaning System status indicators „ 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 WiMAXSoftware configuration Hardware connectionOneKey Rescue system „ IntroductionOneKey Rescue system „ Creating a recovery discs OneKey Rescue systemTroubleshooting Frequently asked questionsTroubleshooting Where can I find warranty information?Troubleshooting Display problemsPassword problems Keyboard problemsSleep or hibernation problems Computer screen problems Screen is blankHard disk drive problem Sound problemsBattery problems Startup problemTroubleshooting Other problems RespondReplacing the battery pack Appendix A. CRU instructionsAppendix A. CRU instructions Handling a hard disk driveAppendix A. CRU instructions Lenovo IdeaPad Z380 Lenovo IdeaPad Z480/Z485/Z580/Z585 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 Replacing the wireless LAN card Appendix A. CRU instructions Removing the optical drive Setup Poster User Guide Trademarks Page New World. New Thinking.TM