Lenovo Z475, Z575 manual Troubleshooting Sound problems, Battery problems, Hard disk drive problem

Page 45

Chapter 5. Troubleshooting

Sound problems

No sound can be heard from	• Make sure that:
the speaker even when the vol-	- The Mute function is off.
ume is turned up.	- The headphone jack is not used.
	- Speakers are selected as the playback device.

Battery problems

Your computer shuts down	• Discharge and recharge the battery.
before the battery status indica-
tor shows empty.
-or-
Your computer operates after
the battery status indicator
shows empty.
The computer does not operate	• The surge protector in the battery might be active. Turn off
with a fully charged battery.	the computer for one minute to reset the protector; then turn
	on the computer again.

A hard disk drive problem

The hard disk drive does not	• In the Boot menu in BIOS setup utility, make sure that the
work.	hard disk drive is included in the Boot priority order
	correctly.

A startup problem

The Microsoft® Windows oper-	• Use the OneKey Rescue system to help solve or identify
ating system does not start.	your problem. For details about OneKey Rescue system, see
	“Chapter 4. OneKey Rescue system” on page 33.

OneKey Rescue system problems

Backup cannot be made.	• You are not currently using a Windows operating system.
	• There is not enough space to store the backed up data. You
	will need to free more hard disk space on your system
	partition (C drive).
Fail to restore system partition	• The system partition, such as the partition size or the drive
to factory default.	capacity of C, has been modified.

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Contents IdeaPad Z475/Z575 Regulatory Notice First Edition April Copyright Lenovo Contents Page Getting to know your computer „ Z475Top view Getting to know your computer „ Z575Speakers Power button OneKey Rescue system button Camera Wireless module antennas Computer displayGetting to know your computer Integrated Thermal management buttonFan louvers Left-side viewVGA port RJ-45 portCombo port USB port ESATA/USB Getting to know your computer„ Z475 „ Z575 Right-side viewOptical drive Getting to know your computer RJ-45 port Front view Integrated wireless device switch Memory card slotBottom view Battery pack „ Configuring the operating system „ Connecting to the powerLearning the basics „ Reading the manuals„ Shutting down your computer Putting your computer into sleep stateLearning the basics „ Charging the battery „ Checking battery status„ Handling the battery „ Removing the battery packUsing the touchpad Using the keyboard „ Numeric keypad Z475Z575 „ Function key combinations Learning the basics Connecting external devices Inserting a memory cardRemoving a memory card „ Connecting USB devices Enabling Bluetooth communications on your computer „ Connecting Bluetooth enabled devices on select models„ Volume buttons b~d „ OneKey Rescue system button aSpecial keys and buttons „ OneKey Theater button e Super silent mode Standard modeEfficient thermal dissipation mode „ Thermal management button fPerforming 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 discsOneKey Rescue system Frequently asked questions TroubleshootingWhere can I find warranty information? Display problems TroubleshootingTroubleshooting Password problems Keyboard problemsSleep or hibernation problems Puter does not work Computer screen problemsBattery problems Troubleshooting Sound problemsHard disk drive problem Startup problemRespond Troubleshooting Other problemsAppendix A. CRU instructions Replacing the battery packAppendix A. CRU instructions Handling a hard disk drive Replacing the hard disk driveZ475 Z575 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

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