Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 57323748, B550 Troubleshooting Sound problems, Battery problems, A hard disk drive problem

Models: B550 57323748

1 78

Download 78 pages 61.31 Kb

Page 32

Chapter 5. Troubleshooting

Chapter 5. Troubleshooting

Sound problems

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

Battery problems

Your computer shuts down before the battery status indicator shows empty.

-or-

Your computer operates after the battery status indicator shows empty.

The operating time for a fully charged battery is short.

The computer does not operate with a fully charged battery.

The battery does not charge.

•Discharge and recharge the battery.

•For details, see “Handling the battery” in Chapter 2.

•The surge protector in the battery might be active. Turn off the computer for one minute to reset the protector; then turn on the computer again.

•For details, see “Handling the battery” in Chapter 2.

A hard disk drive problem

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

A startup problem

The Microsoft® Windows operating	• Use the OneKey Rescue system to help solve or identify your
system does not start.	problem. For details about OneKey Rescue system, see “Chapter 4.
	OneKey Rescue system” on page 19.

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 to	• The system partition, such as the partition size or the drive capacity
factory default.	of C, has been modified.

24

Image 32

Lenovo 57323748, B550 manual Troubleshooting Sound problems, Battery problems, A hard disk drive problem, A startup problem

Contents

Lenovo B550 User GuideNotes First Edition January Copyright LenovoDear user Explanation of hard disk capacity Dear userContents Appendix F. Features andChapter 1. Getting to know your Chapter 6. Upgrading and replacingImportant safety information Important safety information„Read this first DangerImportant safety information Correct usage proceduresDanger DangerDanger Important safety informationService and upgrades Chapter 1. Getting to know your computer Top viewaPower button Chapter 1. Getting to know your computerc System status select models onlyChapter 1. Getting to know your computer a Kensington slotb Fan louvers c RJ-45portChapter 1. Getting to know your computer a USB portb Optical drive Right-sideviewbIntegrated wireless device switch Chapter 1. Getting to know your computeraSpeakers cMicrophone jack dHeadphone jacka Battery latch b Battery packd Battery latch Chapter 1. Getting to know your computerChapter 2. Learning the basics „Connecting to the power„Configuring the operating system Installing the battery packPutting your computer into sleep state „Shutting down your computerChapter 2. Learning the basics Using AC adapter and battery „Checking battery status„Charging the battery „Removing the battery pack„Handling the battery Using the touchpadChapter 2. Learning the basics a TouchpadUsing the keyboard „Numeric keypad„Function key combinations Chapter 2. Learning the basicsChapter 2. Learning the basics Enter sleep modeSpecial button Chapter 2. Learning the basicsOneKey Rescue system button System status indicators a Caps lock indicatorb Num lock indicator c Power status indicator„Using VeriFace „Using passwords„Attaching a security lock not supplied Chapter 2. Learning the basicsConnecting external devices „Connecting a universal serial bus USB deviceEnabling Bluetooth communications Chapter 2. Learning the basicsChapter 3. Using the Internet „Software configuration„Hardware connection CableWireless connection „Using Wi-Fi/WiMAX„Software configuration Chapter 3. Using the InternetChapter 4. OneKey Rescue system „IntroductionChapter 5. Troubleshooting Frequently asked questionsHow can I prevent problems with my computer? Where are the recovery discs?Chapter 5. Troubleshooting What can I do if the backup process fails?Chapter 5. Troubleshooting Display problemsA Password problem TroubleshootingChapter 5. Troubleshooting Sleep or hibernation problemsComputer screen problems The screen is blankChapter 5. Troubleshooting Sound problems Battery problemsA hard disk drive problem A startup problemThe connected external device does not work Chapter 5. Troubleshooting Other problemsYour computer does not respond To replace the battery, do the following Chapter 6. Upgrading and replacing devicesReplacing the battery Replacing the hard disk drive Chapter 6. Upgrading and replacing devicesHandling a hard disk drive To replace the hard disk drive, do the followingChapter 6. Upgrading and replacing devices 5Pull the tab in the direction shown by arrow cTo install an SO-DIMM,do the following Chapter 6. Upgrading and replacing devicesa b a 9Tighten the screws 0Reinstall the batteryChapter 6. Upgrading and replacing devices To remove the optical drive, do the following Removing the optical driveChapter 6. Upgrading and replacing devices Setup Poster Chapter 6. Upgrading and replacing devicesAppendix A. Getting help and service Calling the customer support centerAppendix A. Getting help and service Getting help around the worldWarranty Service Telephone Numbers Lenovo warranty service telephone numbersAppendix A. Getting help and service Appendix B. Use, and care information „Be careful about where and how you workCaring for your computer „Notice of static-electricity„Be gentle with your computer „Carry your computer properly„For outdoor use „Handle storage media and drives properly„Data safety „Take care in setting passwords„Other important tips Appendix B. Use, and care informationAccessibility and comfort „Ergonomic information„What if you are traveling? „Questions about vision?„General tips for maintenance Appendix B. Use, and care information„Cleaning the cover of your computer „Cleaning your computer keyboard„Cleaning your computer display Appendix B. Use, and care information„How to obtain warranty service Appendix C. Lenovo limited warranty„What this warranty covers „Replacement of a product or part Appendix C. Lenovo limited warranty„Your additional responsibilities information.”„What this warranty does not cover Appendix C. Lenovo limited warranty„Use of personal information „Limitation of liability„Dispute resolution Appendix C. Lenovo limited warranty„Other rights „European Economic Area EEAAppendix C. Lenovo limited warranty „Suplemento de Garantía para MéxicoManufactured by: China Tel: +86-512-5735-5000 Marketed byAppendix C. Lenovo limited warranty Warranty informationWarranty period Types of warranty service„Types of warranty service Appendix C. Lenovo limited warranty1 Customer Replaceable Unit “CRU” Service 2 On-siteServiceAppendix C. Lenovo limited warranty 5Product Exchange ServiceAppendix D. Customer replaceable units CRUs Appendix E. Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of Licensing„Export classification notice Appendix E. NoticesENERGY STAR model information Appendix E. NoticesWindows Windows XPAppendix E. Notices Wireless related information„Wireless interoperability Appendix E. Notices „Safety information related to Mobile Broadband„Usage environment and your health „Products with television tuner options installed „Note to CATV system installer„Note to CATV system installer Appendix E. NoticesDanger This warranty does not cover the followingAppendix E. Notices Appendix E. Notices Electronic emissions notices„Federal Communications Commission FCC Statement „German Class B Compliance Statement Appendix E. Notices „Lenovo Product Service Information„Japanese VCCI Class B Statement Türkiye EEE Yönetmeliğine Uygunluk Beyanı „Korea Class BWEEE and recycling statements „General recycling statementJapan recycling statements EU WEEE statements„Disposing of a Lenovo Computer Components Appendix E. NoticesAppendix E. Notices Notice on deleting data from your hard diskNotice for users in the U.S.A Appendix F. Features and specifications Model Name: Lenovo B550Form Factor SystemLenovo Veriface OneKey Index Index Page If your product is not working correctly DO NOT RETURN IT TO THE STORELenovo China New World. New Thinking.TMP/N: 147003161-1.1Printed in China