HP DX2250 manual Hardware Upgrades, Removing the Computer Access Panel and Front Bezel

Page 9

2 Hardware Upgrades

Removing the Computer Access Panel and Front Bezel

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

2.Disconnect the power cord from the power outlet and the computer (1), 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.

3.Remove the two screws that secure the access panel to the computer chassis (2).

4.Slide the access panel back about 1.3 cm (1/2 inch), then lift it away from and off the unit (3).

Figure 2-1Removing the Power Cord and Access Panel

NOTE To replace the access panel, reverse the removal steps.

ENWW

Removing the Computer Access Panel and Front Bezel

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Contents Hardware Reference Guide dx2250 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Enww Product Features Standard Configuration FeaturesServiceability Features Enww Removing the Computer Access Panel and Front Bezel Hardware Upgrades2Removing the Front Bezel Hardware Upgrades 3Removing a 5.25 Bezel Blank Removing a 5.25 Drive Bezel BlankRemoving a 3.5 Drive Bezel Blank 4Removing a 3.5 Bezel Blank Hardware UpgradesInstalling Additional Memory DIMMsDDR2-SDRAM DIMMs 5Installing a Dimm Hardware Upgrades Installing DIMMsEnww Installing an Expansion Card Installing an Expansion Card Locating Drive Positions Replacing or Upgrading a DriveRemoving a 5.25 Optical Drive Device Retainer Screws Guide Screws Removing a 3.5 Media Card Reader or Diskette Drive11Removing a 3.5 Hard Drive Removing a 3.5 Hard Drive12Installing a Security Lock Hardware Upgrades Installing a Security LockBattery Replacement Type 2Removing and Replacing a Coin Cell Battery Type Enww Computer Operating Guidelines and Routine Care Cleaning Optical Drive PrecautionsSafety Shipping PreparationElectrostatic Discharge Preventing Electrostatic DamageGrounding Methods
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