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Lenovo B550, 57323748 Upgrading and replacing devices, To install an SO-DIMM,do the following

Models: B550 57323748

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To install an SO-DIMM, do the following:

Chapter 6. Upgrading and replacing devices

Replacing memory ------------------------------------------------------------------------------------------------------

You can increase the amount of memory in your computer by installing a double data rate (DDR3) small outline dual inline memory module (SO-DIMM)-available as an option-in the memory slot of your computer. SO-DIMMs are available in various capacities.

Note: Use only the memory types supported by your computer. If you incorrectly install the optional memory or install an unsupported memory type, a warning beep will sound when you try to start the computer.

To install an SO-DIMM, do the following:

1Touch a metal table or a grounded metal object to reduce any static electricity in your body, which could damage the SO-DIMM. Do not touch the contact edge of the SO-DIMM.

2Turn off the computer. Disconnect the AC adapter and all cables from the computer.

3Close the computer display, and turn the computer over.

4Remove the battery pack.

5Remove the Memory/CPU (Central processing unit)/Mini PCI Express Card slot compartment cover.

a.Loosen the screws that secure the compartment cover a.

b.Remove the compartment cover b.

b a

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Lenovo B550, 57323748 manual Upgrading and replacing devices, To install an SO-DIMM,do the following

Contents

User Guide Lenovo B550First Edition January Copyright Lenovo NotesDear user Dear user Explanation of hard disk capacityAppendix F. Features and ContentsChapter 1. Getting to know your Chapter 6. Upgrading and replacingImportant safety information Important safety information„Read this first DangerCorrect usage procedures Important safety informationDanger DangerService and upgrades Important safety informationDanger Top view Chapter 1. Getting to know your computerChapter 1. Getting to know your computer aPower buttonc System status select models onlya Kensington slot Chapter 1. Getting to know your computerb Fan louvers c RJ-45porta USB port Chapter 1. Getting to know your computerb Optical drive Right-sideviewChapter 1. Getting to know your computer bIntegrated wireless device switchaSpeakers cMicrophone jack dHeadphone jackb Battery pack a Battery latchd Battery latch Chapter 1. Getting to know your computer„Connecting to the power Chapter 2. Learning the basics„Configuring the operating system Installing the battery packChapter 2. Learning the basics „Shutting down your computerPutting your computer into sleep state „Checking battery status Using AC adapter and battery„Charging the battery „Removing the battery packUsing the touchpad „Handling the batteryChapter 2. Learning the basics a Touchpad„Numeric keypad Using the keyboard„Function key combinations Chapter 2. Learning the basicsChapter 2. Learning the basics Enter sleep modeOneKey Rescue system button Chapter 2. Learning the basicsSpecial button a Caps lock indicator System status indicatorsb Num lock indicator c Power status indicator„Using passwords „Using VeriFace„Attaching a security lock not supplied Chapter 2. Learning the basics„Connecting a universal serial bus USB device Connecting external devicesEnabling Bluetooth communications Chapter 2. Learning the basics„Software configuration Chapter 3. Using the Internet„Hardware connection Cable„Using Wi-Fi/WiMAX Wireless connection„Software configuration Chapter 3. Using the Internet„Introduction Chapter 4. OneKey Rescue systemFrequently asked questions Chapter 5. TroubleshootingHow can I prevent problems with my computer? Where are the recovery discs?What can I do if the backup process fails? Chapter 5. TroubleshootingDisplay problems Chapter 5. TroubleshootingA Password problem TroubleshootingSleep or hibernation problems Chapter 5. TroubleshootingComputer screen problems The screen is blankBattery problems Chapter 5. Troubleshooting Sound problemsA hard disk drive problem A startup problemYour computer does not respond Chapter 5. Troubleshooting Other problemsThe connected external device does not work Replacing the battery Chapter 6. Upgrading and replacing devicesTo replace the battery, do the following Chapter 6. Upgrading and replacing devices Replacing the hard disk driveHandling a hard disk drive To replace the hard disk drive, do the following5Pull the tab in the direction shown by arrow c Chapter 6. Upgrading and replacing devicesChapter 6. Upgrading and replacing devices To install an SO-DIMM,do the followingChapter 6. Upgrading and replacing devices 9Tighten the screws 0Reinstall the batterya b a Chapter 6. Upgrading and replacing devices Removing the optical driveTo remove the optical drive, do the following Chapter 6. Upgrading and replacing devices Setup PosterCalling the customer support center Appendix A. Getting help and serviceGetting help around the world Appendix A. Getting help and serviceAppendix A. Getting help and service Lenovo warranty service telephone numbersWarranty Service Telephone Numbers „Be careful about where and how you work Appendix B. Use, and care informationCaring for your computer „Notice of static-electricity„Carry your computer properly „Be gentle with your computer„For outdoor use „Handle storage media and drives properly„Take care in setting passwords „Data safety„Other important tips Appendix B. Use, and care information„Ergonomic information Accessibility and comfort„What if you are traveling? „Questions about vision?Appendix B. Use, and care information „General tips for maintenance„Cleaning your computer keyboard „Cleaning the cover of your computer„Cleaning your computer display Appendix B. Use, and care information„What this warranty covers Appendix C. Lenovo limited warranty„How to obtain warranty service Appendix C. Lenovo limited warranty „Replacement of a product or part„Your additional responsibilities information.”Appendix C. Lenovo limited warranty „What this warranty does not cover„Use of personal information „Limitation of liabilityAppendix C. Lenovo limited warranty „Dispute resolution„Other rights „European Economic Area EEA„Suplemento de Garantía para México Appendix C. Lenovo limited warrantyManufactured by: China Tel: +86-512-5735-5000 Marketed byWarranty information Appendix C. Lenovo limited warrantyWarranty period Types of warranty serviceAppendix C. Lenovo limited warranty „Types of warranty service1 Customer Replaceable Unit “CRU” Service 2 On-siteService5Product Exchange Service Appendix C. Lenovo limited warrantyAppendix D. Customer replaceable units CRUs Lenovo United States, Inc Appendix E. Notices1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingAppendix E. Notices „Export classification noticeAppendix E. Notices ENERGY STAR model informationWindows Windows XP„Wireless interoperability Wireless related informationAppendix E. Notices „Usage environment and your health „Safety information related to Mobile BroadbandAppendix E. Notices „Note to CATV system installer „Products with television tuner options installed„Note to CATV system installer Appendix E. NoticesAppendix E. Notices This warranty does not cover the followingDanger „Federal Communications Commission FCC Statement Electronic emissions noticesAppendix E. Notices „German Class B Compliance Statement „Japanese VCCI Class B Statement „Lenovo Product Service InformationAppendix E. Notices „Korea Class B Türkiye EEE Yönetmeliğine Uygunluk BeyanıWEEE and recycling statements „General recycling statementEU WEEE statements Japan recycling statements„Disposing of a Lenovo Computer Components Appendix E. NoticesNotice for users in the U.S.A Notice on deleting data from your hard diskAppendix E. Notices Model Name: Lenovo B550 Appendix F. Features and specificationsForm Factor SystemLenovo Veriface OneKey Index Index Page DO NOT RETURN IT TO THE STORE If your product is not working correctlyP/N: 147003161-1.1Printed in China New World. New Thinking.TMLenovo China