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Lenovo A50, M50e Series manual Removing the cover

Models: A50 M50e Series

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Removing the cover

Removing the cover

Important:

Read “Important safety information” on page v and “Handling static-sensitive devices” on page 5 before removing the cover.

To remove the cover:

1.Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn off all attached devices and the computer.

2.Unplug all power cords from electrical outlets.

3.Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.

4.Press the buttons on the sides of the computer and pivot the rear end of the cover up toward the front of the computer.

Chapter 1. Types 8149, 8177, and 8178 9

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Lenovo A50, M50e Series manual Removing the cover

Contents

Types 8148, 8149, 8174, Types 8176, 8177 User Guide TypesThinkCentre Page Types 8148, 8149, 8174, Types User Guide TypesThinkCentre Third Edition May Contents Chapter 4. Using the IBM Setup Utility Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters viUser GuidePlugs and outlets Extension cords and related devicesBatteries Important safety informationHeat and product ventilation CD and DVD drive safetyviiiUser Guide DANGER Additional safety informationTo avoid a shock hazard DANGERModem safety information Lithium battery noticeDo not Ne pasConsignes de sécurité relatives au modem Laser compliance statementDANGER DANGERInformation resources Overviewxiii See Chapter 1, “Types 8149, 8177, and Identifying your computer8178,” on page See Chapter 2, “TypesChapter 1. Types 8149, 8177, and FeaturesSystem information MemoryInput/output features System management featuresPower Video subsystemIBM preinstalled software Security featuresDimensions SpecificationsWeight EnvironmentTools required Available optionsHandling static-sensitivedevices Installing external options 7AGP slot some models Connector Obtaining device driversDescription Removing the cover Identifying parts on the system board Locating componentsInstalling memory What to do next Installing adaptersWhat to do next 5.Install the adapter-slot-coverlatchDrive specifications Installing internal drivesInstalling a drive 16User Guide Connecting the first CD drive or DVD drive Connecting a serial ATA hard disk drive Installing security featuresWhat to do next Rope clip Identifying security locks20User Guide Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery Replacing the cover and connecting the cables 24User Guide Features Chapter 2. Types 8126, 8174, 8175, andSystem information MemoryInput/output features System management featuresPower Internal drivesIBM preinstalled software Security featuresHeight 398 mm 15.67 in Width 180 mm 7.08 in SpecificationsTools required Available optionsHandling static-sensitivedevices The following are some available options30User Guide Installing external options1USB connector 2USB connector 7 VGA monitor connector Obtaining device drivers ConnectorDescription To remove the cover Removing the coverLocating components 6Power supplyIdentifying parts on the system board 1Microprocessor and heat sink36User Guide Installing memoryWhat to do next To install a DIMMTo install an adapter Installing adapters5.Secure the adapter with the screw as shown Installing internal drivesWhat to do next vA CD drive or DVD drive in bay Drive specificationsTo install an internal drive, follow these steps Installing a drive42User Guide Connecting the first CD drive or DVD driveConnecting a serial ATA hard disk drive Installing security featuresAn additional drive can be connected to either the primary IDE or secondary IDE connector What to do nextRope clip Identifying security locks1 Rope clip 2 Integrated cable lock 3 Padlock loopChapter 2. Types 8126, 8174, 8175, and Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery 8.Repeat steps 2 through 4 on page Replacing the cover and connecting the cablesChapter 2. Types 8126, 8174, 8175, and 50User Guide Features Chapter 3. Types 8084, 8085, 8147, 8148, andSystem information MemoryInput/output features System management featuresInternal drives Video subsystemSecurity features PowerIBM preinstalled software Height 413 mm 16.25 in Width 191 mm 7.5 in SpecificationsTools required Available optionsHandling static-sensitivedevices The following are some available options56User Guide Installing external options4USB connector 1IEEE 1394 connector2Microphone connector 5USB connector58User Guide Obtaining device drivers ConnectorDescription To remove the cover Removing the coverLocating components 5Power supplyIdentifying parts on the system board 1Microprocessor and heat sink62User Guide Installing memoryTo install a DIMM Installing adaptersWhat to do next 64User Guide What to do nextDrive specifications Installing internal drivesTo install an internal drive, follow these steps Installing a drive4.Remove the metal shield from the drive bay by inserting a flat-bladescrewdriver into one of the slots and gently prying it loose 68User Guide Connecting the first CD drive or DVD driveConnecting a serial ATA hard disk drive Installing security featuresWhat to do next Identifying security locks To install a rope clipRope clip Chapter 3. Types 8084, 8085, 8147, 8148, and Changing the battery Password protectionIntegrated cable lock What to do nextTo change the battery 8.Repeat steps 2 through 4 on page Replacing the cover and connecting the cablesChapter 3. Types 8084, 8085, 8147, 8148, and 76User Guide Starting the IBM Setup Utility program Chapter 4. Using the IBM Setup Utility programViewing and changing settings Exiting from the IBM Setup Utility programSetting, changing, and deleting a password Administrator passwordUsing Security Profile by Device Selecting a startup deviceSelecting a temporary startup device Advanced settingsChanging the startup sequence 80User Guide Updating flashing BIOS from your operating system Updating flashing BIOS from a disketteAppendix A. Updating system programs System programsRecovering from a POST/BIOS update failure Cleaning an optical mouse Appendix B. Cleaning the mouseCleaning a mouse with a ball 8.Replace the ball and the retainer ring Basic AT commands Appendix C. Manual modem commandsATH ENTER Command Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Telekom PTT SCR-BE Taximpulssperrfilter-12kHz Attention Switzerland UserPTT Art. Bakom 93.0291.Z.N 92User Guide CRU parts list 94User Guide IBM Director of Licensing IBM Corporation Appendix E. NoticesNorth Castle Drive Armonk, NY U.S.A Trademarks Television output noticedrives continued Index APage Page 1P P/N 19R0764