HP dc7700 tower manual Enww

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CAUTION Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer.

5.Remove the computer access panel.

CAUTION After removing the access panel, look for the LED on the system board to the right of the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding.

6.Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.

7.Push down and out on the two green thumb tabs inside the chassis and rotate the expansion card retention latch up.

Figure 2-10Opening the Expansion Slot Retainer

8.Before installing an expansion card, remove the expansion slot cover or the existing expansion card.

22 Chapter 2 Hardware Upgrades

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Contents Hardware Reference Guide dc7700 Series Convertible Minitower Hardware Reference Guide About This Book About This Book Table of contents Appendix C External Security Devices Product Features Standard Configuration FeaturesDrive configuration may vary by model Front Panel ComponentsMedia Card Reader Components 2Media Card Reader ComponentsRear Panel Components 3Rear Panel ComponentsKeyboard 4Keyboard ComponentsUsing the Windows Logo Key Special Mouse Functions Serial Number LocationEnww Hardware Upgrades Serviceability FeaturesUnlocking the Smart Cover Lock Smart Cover FailSafe KeyUnlocking the Smart Cover Lock Removing the Computer Access Panel 2Removing the Computer Access Panel Hardware UpgradesReplacing the Computer Access Panel 3Replacing the Computer Access Panel4Removing the Front Bezel Hardware Upgrades Removing the Front BezelReplacing the Front Bezel 5Replacing the Front BezelRemoving Bezel Blanks DIMMs Installing Additional MemoryDDR2-SDRAM DIMMs Populating Dimm Sockets Description Socket ColorInstalling DIMMs Enww Removing or Installing an Expansion Card DescriptionEnww 12Removing a Standard PCI Expansion Card Enww Enww Drive Positions 15Desktop and Minitower Drive PositionsRemoving a Drive from a Drive Bay Enww Installing Additional Drives Enww Enww Enww 21Installing the Hard Drive Guide Screws Enww Enww Changing from a Minitower to a Desktop Configuration Changing from a Minitower to a Desktop Configuration Changing from a Desktop to a MinitowerConfiguration Changing from a Desktop to a MinitowerConfiguration Enww Specifications Desktop DimensionsAppendix a Specifications Battery Replacement Type Figure B-2Removing and Replacing a Coin Cell Battery Type Enww External Security Devices Installing a Security LockCable Lock Padlock Preventing Electrostatic Damage Electrostatic DischargeGrounding Methods Appendix D Electrostatic Discharge Computer Operating Guidelines and Routine Care Optical Drive Precautions CleaningSafety Shipping PreparationIndex Enww