HP dx7300 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).

38 Appendix B Battery Replacement

ENWW

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Contents Hardware Reference Guide dx7300 Microtower Model Hardware Reference Guide About This Book About This Book Table of contents Appendix D Electrostatic Discharge 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 BezelDDR2-SDRAM DIMMs Installing Additional MemoryDIMMs Populating Dimm Sockets Description Socket ColorInstalling DIMMs Enww Removing or Installing an Expansion Card DescriptionRemoving or Installing an Expansion Card 10Removing an Expansion Slot Cover Hardware Upgrades 12Removing a PCI Express x16 Expansion Card 13Installing an Expansion Card Hardware Upgrades Enww Drive Positions 15Drive PositionsInstalling Additional Drives 16Disconnecting the Optical Drive Cables Hardware Upgrades Removing a Drive from a Drive Bay18Disconnecting the Hard Drive Cables Enww Installing a Drive 21Sliding the Drives into the Drive Cage23Connecting the Diskette Drive Cables Hardware Upgrades Enww 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 Optical Drive Precautions CleaningSafety Shipping PreparationIndex Enww
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