HP DX2250 manual Computer Operating Guidelines and Routine Care

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4Computer Operating Guidelines, Routine Care and Shipping Preparation

Computer Operating Guidelines and Routine Care

Follow these guidelines to properly set up and care for the computer and monitor:

Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold.

Operate the computer on a sturdy, level surface. Leave a 10.2-cm (4-inch) clearance on all vented sides of the computer and above the monitor to permit the required airflow.

Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow.

Never operate the computer with the cover or side panel removed.

Do not stack computers on top of each other or place computers so near each other that they are subject to each other’s re-circulated or preheated air.

If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must be provided on the enclosure, and the same operating guidelines listed above will still apply.

Keep liquids away from the computer and keyboard.

Never cover the ventilation slots on the monitor with any type of material.

Install or enable power management functions of the operating system or other software, including sleep states.

Turn off the computer before you do either of the following:

Wipe the exterior of the computer with a soft, damp cloth as needed. Using cleaning products may discolor or damage the finish.

Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign matter can block the vents and limit the airflow.

ENWW

Computer Operating Guidelines and Routine Care 21

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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 Shipping Preparation Optical Drive PrecautionsCleaning SafetyElectrostatic Discharge Preventing Electrostatic DamageGrounding Methods
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