HP dc72 Client manual 19Installing the Optical Drive

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7.Install two M3 metric guide screws in the lower holes on each side of the drive. HP has provided four extra M3 metric guide screws on the front of the chassis, under the computer cover. The M3 metric guide screws are black.

CAUTION Use only 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive.

NOTE When replacing the drive, transfer the four M3 metric guide screws from the old drive to the new one.

Figure 2-18Installing Guide Screws in the Optical Drive

8.Position the guide screws on the drive into the J-slots in the drive bay (1). Then slide the drive toward the rear of the computer (2) until it locks into place.

Figure 2-19Installing the Optical Drive

ENWW	Installing and Removing Drives 29

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Contents HP Compaq Business PC Hardware Reference Guide About This Book About This Book Table of contents Appendix D Electrostatic Discharge Standard Configuration Features Product FeaturesFront Panel Components Drive configuration may vary by model2Media Card Reader Components Media Card Reader Components3Rear Panel Components Rear Panel Components4Keyboard Components KeyboardUsing the Windows Logo Key Serial Number Location Special Mouse FunctionsEnww Serviceability Features Hardware UpgradesUsing the Small Form Factor Computer in a Tower Orientation Smart Cover FailSafe Key Unlocking the Smart Cover LockEnww 3Removing the Computer Cover Removing the Computer CoverReplacing the Computer Cover 4Replacing the Computer Cover Hardware UpgradesDDR2-SDRAM DIMMs Installing Additional MemoryDIMMs Description Socket Color Populating Dimm SocketsInstalling DIMMs Enww Description Removing or Installing an Expansion CardEnww 9Removing an Expansion Slot Cover Enww Enww 13Drive Positions Drive PositionsInstalling and Removing Drives Removing an Optical Drive 14Rotating the Drive Cage Up Hardware Upgrades16Rotating the Drive Cage Down 17Removing the Optical Drive Installing an Optical Drive into the 5.25-inch Drive Bay19Installing the Optical Drive 21Connecting the Power and Data Cables Hardware Upgrades Removing an External 3.5-inch Drive Enww Enww Installing a Drive into the 3.5-inch External Drive Bay Enww Enww Enww 32Removing the Security Clip Hardware Upgrades 34Disconnecting the Hard Drive Power Cable and Data Cable Enww Desktop Dimensions SpecificationsAppendix a Specifications Battery Replacement Type Figure B-2Removing and Replacing a Coin Cell Battery Type Enww Cable Lock Installing a Security LockExternal Security Devices Padlock Grounding Methods Electrostatic DischargePreventing Electrostatic Damage Appendix D Electrostatic Discharge Computer Operating Guidelines and Routine Care Shipping Preparation Optical Drive PrecautionsCleaning SafetyIndex Enww