HP dx2480 manual Battery Replacement

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Battery Replacement

The battery that comes with the computer provides power to the real- time clock. When replacing the battery, use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3-volt lithium coin cell battery.

The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power.

WARNING: The computer contains an internal lithium manganese dioxide

battery. There is a risk of fire and burns if the battery is not handled properly. To reduce the risk of personal injury:

Do not attempt to recharge the battery.

Do not expose to temperatures higher than 60°C (140ºF).

Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.

Replace the battery only with the HP spare designated for this product.

CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Troubleshooting Guide on the Documentation and Diagnostics CD for information on backing up the CMOS settings.

Batteries, battery packs, and accumulators should not be disposed of togethe with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents.

Hardware Reference Guide

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Contents Hardware Reference Manual Hardware Reference Guide Hardware Reference Guide Contents Security Lock Provisions Product Features Standard Configuration FeaturesFront Panel Components Front Panel ComponentsRear Panel Components Rear Panel ComponentsKeyboard Keyboard ComponentsWindows Logo Key Special Mouse FunctionsSerial Number Location Hardware Upgrades Serviceability FeaturesRemoving the Computer Access Panel Removing the Front Bezel DDR2-SDRAM DIMMs Installing Additional MemoryDIMMs Populating Dimm Sockets Installing DIMMs Installing a Dimm Removing a 5.25 Drive Bezel Blank Replacing or Upgrading a Drive Locating Drive Positions Drive PositionsRemoving a Drive Hard disk is inserted or slide out from the back Replacing a Drive Sliding the Drives into the Drive Cage Sliding the Hard Drive into the Drive Cage Install Second Hard Disk Hardware Upgrades Hardware Upgrades Removing or Installing an Expansion Card Releasing the Slot Cover Lock Removing an Expansion Slot Cover Removing an Expansion Card Replacing or Adding an Expansion Card Securing the Expansion Cards and Slot Covers Reassembling the Computer Turn on the computer by pressing the power button Battery Replacement Hardware Reference Guide Power Supply Notice Power Supply Label Mechanical Lock Installing a Security LockChassis Intrusion Switch Preventing Electrostatic Damage Grounding MethodsHardware Reference Guide Computer Operating Guidelines and Routine Care Safety Optical Drive PrecautionsCleaning OperationShipping Preparation Computer Setup F10 Utility Guide Computer Setup F10 Utility Guide Contents Contents Computer Setup F10 Utility Computer Setup F10 UtilitiesUsing Computer Setup F10 Utilities Computer Setup F10 Utility Computer Setup Heading Option DescriptionCHS 1MB 3BC/IRQ7 Computer Setup Heading Option Description Troubleshooting Guide Troubleshooting Guide Computer Diagnostic Features HP Insight DiagnosticsAccessing HP Insight Diagnostics Survey Tab Test Tab UnattendedStatus Tab Saving and Printing Information in HP Insight Diagnostics Log TabDownloading the Latest Version of HP Insight Diagnostics Troubleshooting Safety and Comfort Before You Call for Technical SupportTroubleshooting Run the Restore Plus! DVD Helpful HintsTroubleshooting Solving General Problems Problem Cause SolutionTo permit required airflow Cable connections are Problem Cause Solution Solving Hardware Installation Problems Interpreting Diagnostic Lights and Audible Codes Problem CauseDiagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codes Restoring the Software Contacting Customer Support