Manuals / Lenovo / Computer Equipment / Laptop

Lenovo B450 Troubleshooting, A startup problem, OneKey Rescue System problems, Other problems

Models: B450

1 128

Download 128 pages 17.2 Kb

Page 54

A startup problem

Chapter 5. Troubleshooting

A startup problem

The Microsoft® Windows	• Use the OneKey Rescue System to help solve or
operating system does not	identify your problem. For details on the OneKey
start.	Rescue System, see “Chapter 4. OneKey Rescue
	System” on page 28.

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

Other problems

The computer does not	• To turn off your computer, press and hold the power
respond.	button 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.

40

Image 54

Lenovo B450 manual Troubleshooting, A startup problem, OneKey Rescue System problems, Other problems

Contents

Lenovo B450 User GuideFirst Edition July Copyright Lenovo Respective Users Dear userExplanation of hard disk capacity Page Page Contents Notice on deleting data from Important safety information Important safety information„Read this first Important safety information UnpackDanger Danger Important safety informationWorking place DangerDanger Important safety informationOn using DangerDo NOT wrap the power cord around the power adapter or other objects Important safety information Service and upgradesviii Chapter 1. Getting to know your computer b c dTop view Chapter 1. Getting to know your computer a b c d e f Left-sideviewChapter 1. Getting to know your computer jackUSB ports Right-sideviewOptical drive Reads/Burns optical diskswireless devices on your computer wireless deviceswitch Chapter 1. Getting to know your computerBottom view Chapter 1. Getting to know your computer Battery packBattery latch - spring loaded Fan louversChapter 2. Learning the basics „Connect to the power„Read the manuals Chapter 2. Learning the basics „Configure the operating system„Turn on the computer Putting your computer into sleep state„Shutting down your computer Chapter 2. Learning the basicsStart menu Using AC adapter and battery „Checking battery status„Charging the battery „Removing the battery pack „Handling the battery Touchpad Using the touchpadChapter 2. Learning the basics Click buttonUsing the keyboard „Numeric keypad„Function key combinations Enter sleep mode Special keys and buttons Chapter 2. Learning the basicsOneKey Rescue System button Wireless communication indicator System status indicatorsHard disk drive indicator Chapter 2. Learning the basicsSecuring your computer „Attaching a security lock not supplied„Using passwords screen in BIOS setup utilityConnecting external devices „Using memory cards not supplied„Connecting a universal serial bus USB device „Inserting a memory card„Removing a memory card Wired connection Chapter 3. Using the Internet„Hardware connection „Software configurationChapter 3. Using the Internet CableWireless connection Wi-FiEnabling wireless connection „Using Wi-Fispecific models onlyChapter 3. Using the Internet Software configurationOneKey Rescue System Chapter 4. OneKey Rescue System„Introduction Chapter 4. OneKey Rescue System Shut down your computer Chapter 5. Troubleshooting Frequently Asked QuestionsWhere can I find warranty information? Chapter 5. TroubleshootingWhere are the recovery discs? How can I install the device drivers?What can I do if the backup process fails? Troubleshooting Chapter 5. TroubleshootingDisplay problems Chapter 5. Troubleshooting A Password problemSleep or hibernation problems Chapter 5. TroubleshootingKeyboard problems Fn + InsertIf the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator Chapter 5. Troubleshooting Computer screen problemsBattery problems Chapter 5. TroubleshootingSound problems A hard disk drive problemOneKey Rescue System problems Chapter 5. TroubleshootingA startup problem Other problemsDo not connect or disconnect any external device Replacing the battery Chapter 6. Upgrading and replacing devices„To replace the battery Chapter 6. Upgrading and replacing devices Replacing the hard disk drive Chapter 6. Upgrading and replacing devicesHandling a hard disk drive To replace the hard disk drive, do the following 5 Pull the tab in the direction shown by arrow 0Reinstall the compartment cover AReinstall the screws BReinstall the battery packChapter 6. Upgrading and replacing devices Replacing memory Chapter 6. Upgrading and replacing devices 6Press outwards on the latches on both edges of the socket at the same time, remove the SO-DIMM.Be sure to save the old SO-DIMMfor future use Page Remove the screw shown in the figure Removing the optical driveTo remove the optical drive, do the following Gently pull the optical drive outSetup Poster Appendix A. Getting help and service Getting help on the Web Calling the customer support centerThe following items are not covered Machine Type and Model Lenovo warranty service telephone numbers Getting help around the worldAppendix B. Use and care information „Be careful about where and how you workCaring for your computer „Notice of static-electricity Appendix B. Use and care information„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 Memory module Accessibility and comfort „Ergonomic information„What if you are traveling? „Questions about vision?Maintenance „General tips for maintenanceUpdate device drivers and BIOS when needed „Cleaning the cover of your computer „Cleaning your computer keyboard „Cleaning your computer display Appendix C. Lenovo limited warranty „What this warranty covers„How to obtain warranty service Appendix C. Lenovo limited warrantyinformation.” „Replacement of a product or part „Your additional responsibilities „Use of personal information„What this warranty does not cover „Limitation of liability „Dispute resolution „Other rights „European Economic Area EEA„Lenovo Turkey address LENOVO TECHNOLOGY B.V. TURKIYE ISTANBUL SUBESIPosta Kodu Tel Fax Warranty information „Types of warranty service Appendix C. Lenovo limited warranty1 Customer Replaceable Unit “CRU” Service 3Courier or Depot Service Appendix C. Lenovo limited warranty2On-siteService 4Customer Carry-Inor Mail-InServiceAppendix C. Lenovo limited warranty 5Product Exchange ServiceAppendix D. Customer replaceable units CRUs Appendix D. Customer replaceable units CRUs Lenovo United States, Inc Appendix E. NoticesNotices 1009 Think Place - Building One Morrisville, NCAppendix E. Notices „Export classification notice Wireless related information „Wireless interoperability„Usage environment and your health „Safety information related to Mobile Broadband 3Use of mobile devices on board aircraft is explicitly prohibited by many airlines companies, especially during take-offand landing. The built-inMobile Broadband module on your computer is a low-powerradio transceiver. When it is turned on, it intermittently receives and transmits radio frequency RF energy which could cause interference with the operation of the airplane communication or navigation system. Refer to rules or regulations of your airline company for Mobile Broadband use. Never enable Mobile Broadband feature on your computer unless you are explicitly permitted to do so Electronic emissions notices „Federal Communications Commission FCC StatementResponsible party „German Class B Compliance Statement Deutschland Page „Lenovo Product Service Information „Japanese VCCI Class B StatementAppendix E. Notices „Korea Class B WEEE and recycling statements Turkish statement of complianceTürkiye EEE Yönetmeliğine Uygunluk Beyanı „General recycling statementEU WEEE statements Japan recycling statements „Disposing of a Lenovo Computer Components Notice on deleting data from your hard disk Notice for users in the U.S.AFormat your hard disk, using the software for initializing it Form Factor Appendix F. Features and SpecificationsModel Name Lenovo B450 SystemUSB 2.0 x 4 ports Appendix F. Features and SpecificationsI/O Ports RJ-45portTrademarks Index Index Warranty information InteroperabilityIf your product is not working correctly LENOVODO NOT RETURN IT TO THE STORE New World. New Thinking.TM