Lenovo TC S51-8171, TC A51-8425, TC A51-8424, TC A51-8428 Removing and replacing an optical drive

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6.Install the new battery.

7.Install the PCI riser and adapters if removed.

8.Replace the cover, and connect the cables. See “Closing the cover and connecting the cables” on page 24.

Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery.

9.Turn on the computer and all attached devices.

10.Use the IBM Setup Utility program to set the date and time and any passwords.

Removing and replacing an optical drive

1.Open the cover. See “Opening the cover” on page 12.

2.Rotate the drive bay assembly upward to gain access to the cable connections. See “Accessing system board components and drives” on page 14 and “Locating components” on page 13.

3.Disconnect the signal and power cables from the drive.

4.Slide the lock1to the unlocked position.

5.Open the door at the front of the drive and slide it out the front of the computer.

6.Install the new drive into the bay from the front.

7.Slide the lock 1to the locked position and close the door at the front of the drive.

Chapter 2. Installing options 19

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Contents User Guide Types 8424, 8425 Types 8171, 8172 Page User Guide Types 8424, 8425 Types 8171, 8172 Page Contents Iv User Guide Conditions that require immediate action Important safety informationGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devices Plugs and outletsBatteries CD and DVD drive safety Additional safety informationHeat and product ventilation To connect To disconnect Lithium battery notice Modem safety informationConnexion Déconnexion Consignes de sécurité relatives au modem Laser compliance statementXii User Guide Information resources OverviewFeatures Power Input/output featuresSecurity features ExpansionIBM preinstalled software Available options Operating systems preinstalled varies by modelSpecifications Supported operating positions User Guide Installing options Installing external optionsHandling static-sensitive devices Cover keylock some models Obtaining device drivers Locating connectors on the rear of your computerOpening the cover Locating components Accessing system board components and drives Identifying parts on the system board Installing memory Installing PCI adapters What to do next Removing and replacing the batteryRemoving and replacing an optical drive Removing and replacing a diskette drive Installing security featuresIntegrated security cable Identifying security locksUser Guide To install a rope clip Password protectionRope clip Cover lockClosing the cover and connecting the cables Erasing a lost or forgotten password clearing CmosStarting the IBM Setup Utility program Using the IBM Setup UtilityViewing and changing settings Exiting from the IBM Setup Utility programUser Password Password considerationsAdministrator Password IDE Drive User PasswordSetting, changing, and deleting a password IDE Drive Master PasswordUsing Security Profile by Device Select Security Profile by DeviceSelecting a startup device Advanced settingsSelecting a temporary startup device Changing the startup device sequenceAppendix A. Updating POST/BIOS Updating flashing Bios from a disketteUpdating flashing Bios from your operating system Recovering from a POST/BIOS update failure Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball User Guide Basic AT commands Appendix C. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Notices IBM TrademarksIndex Special characters Page Page Part Number 19R0474