HP dc7700 tower manual Type

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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 battery and battery holder on the system board.

NOTE On some computer models, it may be necessary to remove an internal component to gain access to the battery.

7.Depending on the type of battery holder on the system board, complete the following instructions to replace the battery.

Type 1

a. Lift the battery out of its holder.

Figure B-1Removing a Coin Cell Battery (Type 1)

b.Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position.

Type 2

a.To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out (1).

44 Appendix B Battery Replacement

ENWW

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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 DDR2-SDRAM DIMMs Installing Additional MemoryDIMMs 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 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 Safety Optical Drive PrecautionsCleaning Shipping PreparationIndex Enww