HP dc73 Blade Client manual Removing the Computer Access Panel, 4Removing the Access Panel

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Removing the Computer Access Panel

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.If the computer is on a stand, remove the computer from the stand.

6.Press the buttons on the left and right sides of the computer (1) then slide the access panel back until it stops and lift it up and off the chassis (2).

Figure 2-4Removing the Access Panel

ENWW	Removing the Computer Access Panel 13

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Contents HP Compaq Business PC Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix C External Security Devices 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 KeySerial Number Location Special Mouse FunctionsServiceability Features Hardware UpgradesUsing the Small Form Factor Computer in a Tower Orientation Enww Smart Cover FailSafe Key Unlocking the Smart Cover LockEnww 4Removing the Access Panel Removing the Computer Access Panel5Replacing the Access Panel Hardware Upgrades Replacing the Computer Access Panel6Removing the Front Bezel Removing the Front BezelRemoving Bezel Blanks 9Replacing the Front Bezel Replacing the Front BezelDIMMs Installing Additional MemoryDDR2-SDRAM DIMMs 1DIMM Socket Locations Populating Dimm SocketsInstalling DIMMs Enww 2Expansion Slot Locations Removing or Installing an Expansion Card14Removing an Expansion Slot Cover Enww Enww 3Drive Positions Drive Positions19Secondary Hard Drive 6-32 Guide Screws Location Installing and Removing DrivesEnww 4System Board Drive Connections System Board Drive ConnectionsRemoving an Optical Drive 24Rotating the Drive Cage Down 25Removing the Optical Drive Installing an Optical Drive into the 5.25-inch Drive Bay27Installing the Optical Drive Enww Removing an External 3.5-inch Drive Enww Installing a Drive into the 3.5-inch External Drive Bay Enww Enww Enww Enww Removing and Replacing a Removable 3.5-inch Sata Hard Drive 40Removing the Thermal Sensor Hardware UpgradesEnww Enww Enww Table A-1Specifications SpecificationsStandard PS 4A @ 100 VAC 2A @ 200 VAC Plus PS 5A @ 100VAC Battery Replacement Type Enww External Security Devices Installing a Security LockCable Lock Padlock HP Business PC Security Lock Enww Preventing Electrostatic Damage Electrostatic DischargeGrounding Methods Computer Operating Guidelines and Routine Care Shipping Preparation Optical Drive PrecautionsCleaning SafetyIndex Enww