Lenovo B50-45 Notebook Uživatelský manuál

LenovoRead the safety notices and important tips in the included manuals before using your computer.User Guide

4Chapter 1. Getting to know your computer Using the keyboardYourcomputerhasanumerickeypad,hotkeys,andfunctionkeysincorporatedinitsstanda

Chapter 1. Getting to know your computer5Function key combinationsTousethefunctionkeycombinations,presstheFnkey ,thenpressoneofthefunc

6Chapter 1. Getting to know your computerLeft-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Chapter 1. Getting to know your computer7Attention:• Makesurethatnoneoftheventilationslotsareblockedorelseoverheatingofthecomputermay

8Chapter 1. Getting to know your computer Connecting USB devicesYoucanconnectaUSBdevicetoyourcomputerbyinsertingitsUSBplug(TypeA)into

Chapter 1. Getting to know your computer9 Connecting to a wired networkWiredconnectionsareareliableandsafewaytoconnectthecomputertotheI

10Chapter 1. Getting to know your computerRight-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Chapter 1. Getting to know your computer11Note: • Beforepurchasinganysecurityproduct,verifythatitiscompatiblewiththistypeofsecuritykeyh

12Chapter 1. Getting to know your computerFront view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

13Chapter 1. Getting to know your computerHard disk drive indicator Whenthisindicatorison,theharddiskdriveisreadingorwritingdata. Using

First Edition (January 2014) © Copyright Lenovo 2014. Before using the product, be sure to read Lenovo Safety and General Information Guide first.The

14Chapter 1. Getting to know your computerBottom view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

15Chapter 2. Learning the basicsConfiguring the operating system for the first time - - - - - - - - - -Youneedtoconfiguretheoperatingsystemwhe

16Chapter 2. Learning the basicsTowakeupthecomputer,dooneofthefollowing:•Pressthepowerbutton.•PresstheFnkeyonthekeyboard. Shutting

Chapter 2. Learning the basics17ConsultyourInternetServiceProvider(ISP)andsearchtheWindowsHelpandSupportCenterfordetailsonhowtoconf

18Chapter 2. Learning the basicsOperating system interfaces (for the Windows 8.1 operating system) - - - - - - - - - - - - - - - - - - - - - - - - -

Chapter 2. Learning the basics19Charms and the charms bar (for the Windows 8.1 operating system) - - - - - - - - - - - - - - - - - - - - - - - - - -

20Chapter 2. Learning the basics Share charmTheSharecharmletsyousendlinks,photos,andmoretoyourfriendsandsocialnetworkswithoutleaving

21Chapter 3. Lenovo OneKey Recovery systemTheLenovoOneKeyRecoverysystemissoftwaredesignedtobackupandrestoreyourcomputer.Youcanuseit

22Chapter 3. Lenovo OneKey Recovery systemIfWi ndows cannotbestarted,followthestepsbelowtostarttheLenovoOneKeyRecoverysystem:1Shutdown

23Chapter 4. TroubleshootingFrequently asked questions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

LenovoUser GuideInstructions and technical information in this manual are applicable to the following Lenovo notebook computers unless otherwise state

24Chapter 4. Troubleshooting Recovery systemWherearetherecoverydiscs?Yourcomputerdidnotcomewithrecoverydiscs.Usetherecoverysystemify

Chapter 4. Troubleshooting25WhendoIneedtochangethebootpriority?ThedefaultbootprioritiesareUEFIFirst.Ifyouneedtoinstallalegacyope

26Chapter 4. TroubleshootingTroubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Chapter 4. Troubleshooting27BIOS password problemsI forgot my password. •Ifyouforgetyouruserpassword,youmustaskthesystemadministratortore

28Chapter 4. TroubleshootingSound problemsNo sound can be heard from the speakers even when the volume is turned up.• Makesurethat:‐ Themutefuncti

Chapter 4. Troubleshooting29Other problemsYour computer does not respond.•Toturnoffyourcomputer,pressandholdthepowerbuttonfor4secondsor

30Appendix A. CRU instructionsCustomerReplaceableUnit s(CRUs)arepartsthatcanbeupgradedorreplacedbythecustomer.IfaCRUisdeterminedto

Appendix A. CRU instructions31Replacing the battery pack - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

32Appendix A. CRU instructionsReplacing the hard disk drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Appendix A. CRU instructions33Toreplacetheharddiskdrive,dothefollowing:1Removethebatterypack.Fordetails,see“Replacingthebatterypack”

34Appendix A. CRU instructions4Removethe harddiskdrivebygentlypullingitinthedirectionofthearrow.5Removethe screwsanddetachthemeta

Appendix A. CRU instructions35Replacing the memory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

36Appendix A. CRU instructions4IftwoDDR3SDRAMmodulesarealreadyinstalledinthememoryslot,removeoneofthemtomakeroomforthenewoneby

Appendix A. CRU instructions378Reinstallthebatterypack.Fordetails,see“Replacingthebatterypack”onpage31.TomakesurethattheDDR3SDRAMm

38Appendix A. CRU instructionsReplacing the wireless LAN card - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Appendix A. CRU instructions394RemovethewirelessLANcard .5InstallthenewwirelessLANcardandtightenthescrewtosecuretheLANcard.6Reconne

40Appendix A. CRU instructionsReplacing the optical drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Appendix A. CRU instructions413Gentlypulltheopticaldriveoutfromitscavity .4Insertanewopticaldriveandtightenthescrewtosecurethedri

42Appendix A. CRU instructionsReplacing the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Appendix A. CRU instructions434Pulltounsnapthekeyboardinthedirectionasshownbythearrows . 5Liftupthekeyboard anddetachtheconnect

iChapter 1. Getting to know your computer ...1Topview...

44Appendix A. CRU instructionsThefollowingtableprovidesalistofCRUsforyourcomputer,andinformsyouofwheretofindreplacementinstructions

45TrademarksThefollowingtermsaretrademarks orregisteredtrademarksofLenovointheUnitedStates,othercountries,orboth.LenovoOneKeyVeriFace

en-USRev. CT01

1Chapter 1. Getting to know your computerTop view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

2Chapter 1. Getting to know your computer B50-30/B50-30 Touch/B50-70/N50-70/B50-45/N50-45Note: • Thedashedareasindicatepartsthatareinvisiblef

Chapter 1. Getting to know your computer3Integrated cameraUsedforvideocommunicationortakingphotos.Built-in microphoneUsedforvideoconferencing