HP dx2450 manual Removing an Internal 3.5-inch Hard Drive

Page 40

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.

Removing an Internal 3.5-inch Hard Drive

NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to the new hard drive. Also, if you are replacing the primary hard drive, make sure you have created a Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it now.

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.

5.Remove the computer access panel.

6.Remove the two screws that secure the hard disk drive cage to the chassis. Figure 2-26Removing the Hard Drive Cage Screws

34 Chapter 2 Hardware Upgrades

ENWW

Image 40

Contents Hardware Reference Guide dx2450 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix D Electrostatic Discharge Product Features Standard Configuration FeaturesFront Panel Components 1Front Panel ComponentsMedia Card Reader Components 2Media Card Reader ComponentsRear Panel Components 3Rear Panel ComponentsKeyboard 4Keyboard ComponentsUsing the Windows Logo Key 5Windows Logo Key FunctionsSerial Number Location 6Serial Number and Product ID LocationHardware Upgrades Removing the Computer Access Panel 1Removing the Computer Access PanelReplacing the Computer Access Panel 2Replacing the Computer Access Panel Hardware UpgradesRemoving the Front Bezel 3Removing the Front BezelRemoving Bezel Blanks Replacing the Front Bezel 5Replacing the Front BezelDIMMs Installing Additional MemoryDDR2-SDRAM DIMMs Populating Dimm Sockets Description Socket ColorInstalling DIMMs Enww Removing or Installing an Expansion Card 1Expansion Slot LocationsRemoving or Installing an Expansion Card 11Removing a Standard PCI Expansion Card Hardware Upgrades Enww Enww Drive Positions 15Drive PositionsInstalling Additional Drives 16Extra Drive Retainer Screws Location Hardware UpgradesInstalling Additional Drives System Board Drive Connections 2System Board Drive ConnectionsRemoving an Optical Drive 19Removing the Optical Drive Hardware Upgrades Installing an Optical Drive into the 5.25-inch Drive Bay 20Installing the Optical DriveRemoving an External 3.5-inch Drive Enww Installing a Drive into the 3.5-inch External Drive Bay 24Removing a 3.5-inch Device Media Card Reader ShownEnww Removing an Internal 3.5-inch Hard Drive Enww 30Removing the Hard Drive Hardware Upgrades Installing an Internal 3.5-inch Hard Drive 31Installing the Hard Drive in the Drive Cage33Installing the Hard Drive Cage Hardware Upgrades Enww Specifications Table A-1SpecificationsRated Input Current maximum Battery Replacement Type Enww External Security Devices Installing a Security LockCable Lock Padlock HP Business PC Security LockEnww Enww Preventing Electrostatic Damage Electrostatic DischargeGrounding Methods Computer Operating Guidelines and Routine Care Optical Drive Precautions CleaningSafety Shipping PreparationIndex Enww