HP dx2450 manual 3Removing the Front Bezel

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Removing the Front Bezel

1.Remove/disengage any security devices that prohibit opening the computer.

2.Remove all removable media, such as diskettes or compact discs, from the computer.

3.Turn off the computer properly through the operating system, then turn off any external devices.

4.Disconnect the power cord from the power outlet and disconnect any external devices.

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.

6.Press outward on the three latches on the right side of the bezel (1), then rotate the right side of the bezel off the chassis (2) followed by the left side.

Figure 2-3Removing the Front Bezel

ENWW	Removing the Front Bezel 11

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Contents Hardware Reference Guide dx2450 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix D Electrostatic Discharge Standard Configuration Features Product Features1Front Panel Components Front Panel Components2Media Card Reader Components Media Card Reader Components3Rear Panel Components Rear Panel Components4Keyboard Components Keyboard5Windows Logo Key Functions Using the Windows Logo Key6Serial Number and Product ID Location Serial Number LocationHardware Upgrades 1Removing the Computer Access Panel Removing the Computer Access Panel2Replacing the Computer Access Panel Hardware Upgrades Replacing the Computer Access Panel3Removing the Front Bezel Removing the Front BezelRemoving Bezel Blanks 5Replacing the Front Bezel Replacing the Front BezelDDR2-SDRAM DIMMs Installing Additional MemoryDIMMs Description Socket Color Populating Dimm SocketsInstalling DIMMs Enww 1Expansion Slot Locations Removing or Installing an Expansion CardRemoving or Installing an Expansion Card 11Removing a Standard PCI Expansion Card Hardware Upgrades Enww Enww 15Drive Positions Drive Positions16Extra Drive Retainer Screws Location Hardware Upgrades Installing Additional DrivesInstalling Additional Drives 2System Board Drive Connections System Board Drive ConnectionsRemoving an Optical Drive 19Removing the Optical Drive Hardware Upgrades 20Installing the Optical Drive Installing an Optical Drive into the 5.25-inch Drive BayRemoving an External 3.5-inch Drive Enww 24Removing a 3.5-inch Device Media Card Reader Shown Installing a Drive into the 3.5-inch External Drive BayEnww Removing an Internal 3.5-inch Hard Drive Enww 30Removing the Hard Drive Hardware Upgrades 31Installing the Hard Drive in the Drive Cage Installing an Internal 3.5-inch Hard Drive33Installing the Hard Drive Cage Hardware Upgrades Enww Table A-1Specifications SpecificationsRated Input Current maximum Battery Replacement Type Enww Cable Lock Installing a Security LockExternal Security Devices HP Business PC Security Lock PadlockEnww Enww Grounding Methods Electrostatic DischargePreventing Electrostatic Damage Computer Operating Guidelines and Routine Care Cleaning Optical Drive PrecautionsSafety Shipping PreparationIndex Enww