Lenovo Z380, Z485, Z580, Z585 Password problems, Keyboard problems, Sleep or hibernation problems

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	Chapter 5. Troubleshooting

Password problems
I forgot my password.	• If you forget your user password, you must take your
	computer to a Lenovo authorized servicer or a marketing
	representative to have the password changed.
	• If you forget your HDD password, a Lenovo authorized
	servicer cannot reset your password or recover data from
	the hard disk. You must take your computer to a Lenovo
	authorized servicer or a marketing representative to have
	the hard disk drive replaced. Proof of purchase is required,
	and a fee will be charged for parts and service.
	• If you forget your supervisor password, a Lenovo
	authorized servicer cannot reset your password. You must
	take your computer to a Lenovo authorized servicer or a
	marketing representative to have the system board
	replaced. Proof of purchase is required, and a fee will be
	charged for parts and service.

Keyboard problems
A number appears when you	• The numeric lock function is on. To disable it, press Fn + F8.
enter a letter (Lenovo IdeaPad
Z380/Z480/Z485).

Sleep or hibernation problems

The critical low-battery error message appears, and the computer immediately turns off.

The computer enters sleep mode immediately after Power- on self-test (POST).

•The battery power is getting low. Connect the AC adapter to the computer, or replace the battery with a fully charged one.

•Make sure that:

-The battery is charged.

-The operating temperature is within the acceptable range. See “Chapter 2. Use and care Information” of Lenovo Safety and General Information Guide.

Note:If the battery is charged and the temperature is within range, have the computer serviced.

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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 Getting to know your computer „ Lenovo IdeaPad Z580/Z585Cap sensor buttons Built-in microphone Touchpad Left-side view Right-side view „ Lenovo IdeaPad Z380 „ Lenovo IdeaPad Z480/Z485/Z580/Z585Front view Bottom view „ Lenovo IdeaPad Z380Battery latch manual Battery pack „ Reading the manuals „ Connecting to the power„ Configuring the operating system Learning the basics„ Shutting down your computer Putting your computer into sleep stateLearning the basics „ Charging the battery „ Checking battery status„ Handling the battery „ Removing the battery packTouchpad Touchpad button Using the touchpadLenovo IdeaPad Z580/Z585 Using the keyboard„ Numeric keypad Lenovo IdeaPad Z380/Z480/Z485Lenovo IdeaPad Z380/Z480/Z485 Lenovo IdeaPad Z580/Z585 „ Function key combinationsFn + End Fn + Esc Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6Fn + PrtSc Fn + HomeRemoving a memory card „ Using memory cards not suppliedConnecting external devices Inserting a memory card„ Connecting USB devices „ Connecting Bluetooth enabled devices on select modelsEnabling Bluetooth communications on your computer Special keys and buttons „ OneKey Rescue system button a„ Cap Sensor buttons Thermal management button f Standard modePerforming dust cleaning System status indicators „ Using VeriFace „ Attaching a security lock not suppliedSecuring your computer „ Using passwords Wired connection Connecting to the Internet„ Software configuration Connecting to the Internet„ Hardware connection Wi-Fi WiMAX Wireless connectionHardware connection Software configurationOneKey Rescue system „ IntroductionOneKey Rescue system OneKey Rescue system „ Creating a recovery discsFrequently asked questions TroubleshootingWhere can I find warranty information? TroubleshootingDisplay problems TroubleshootingPassword problems Keyboard problemsSleep or hibernation problems Screen is blank Computer screen problemsStartup problem Sound problemsBattery problems Hard disk drive problemRespond Troubleshooting Other problemsAppendix A. CRU instructions Replacing the battery packHandling a hard disk drive Appendix A. CRU instructionsAppendix 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