Compaq 243850-002 manual Type

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Battery Replacement

ÄCAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object.

1.If you have locked the Smart Cover Lock, use Computer Setup to unlock the lock and disable the Smart Cover Sensor.

2.Shut down the operating system properly, turn off the computer and any external devices, disconnect the power cord from the electrical outlet, and remove the computer cover or access panel.

Itbattery.may be necessary to remove an expansion card to gain access to the

3.Locate the battery and battery holder on the system board.

4.Depending on the type of battery holder on your system board, complete the following instructions to replace the battery.

Type 1

a. Lift the battery out of its holder.

Removing a Coin Cell Battery (Type 1)

C–2

Hardware Reference Guide

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Contents Hardware Reference Guide Page Contents Specifications Hard Drive Installation Guidelines Product Features Standard Configuration FeaturesFront Panel Components Front Panel ComponentsRear Panel Components Rear Panel ComponentsEasy Access Keyboard Compaq Easy Access Keyboard ComponentsLocking and Unlocking the Easy Access Buttons Easy Access SoftwareReprogramming the Easy Access Buttons Windows Logo Key Easy Access Paper Icon InsertSpecial Mouse Functions Serial Number Location Product Features Installation Sequence Hardware UpgradesServiceability Features Hardware Upgrades Removing the Computer Cover Replacing the Computer Cover Removing the Front Bezel Removing Bezel BlanksInstalling Additional Memory DIMMsInstalling DIMMs Installing a Dimm Installing or Removing an Expansion Card Removing an Expansion Slot CoverRemoving or Installing an Expansion Card Hardware Reference Guide Drive Positions Removing a Drive from the Drive Bay Installing Additional Drives Hardware Reference Guide Installing a Hard Drive into a 3.5-inch Drive Bay Removing the Power Switch Bracket Connect the signal 1 and power 2 cables to the hard drive Specifications Compaq Evo Desktop Intel PentiumCompaq Evo Desktop Intel Pentium III/Celeron 145 W Specifications Hard Drive Installation Guidelines Using the Cable-Select Feature with Ultra ATA DevicesGuidelines for Installing Ultra ATA Devices Guidelines for Using Scsi Devices Scsi DevicesHard Drive Installation Guidelines Guidelines for Installing Optional Scsi Devices Scsi ControllersScsi Cables Using a Scsi CableUsing SCSISelect with Scsi Devices Choosing the Quiet Drive Options Hard Drive Installation Guidelines Battery Replacement Type Type Replacing a Coin Cell Battery Type Installing a Security Lock Security Lock ProvisionsInstalling Compaq Type 2 Security Bracket may vary by model Hardware Reference Guide Installing a Kensington Cable Lock may vary by model Grounding Methods Electrostatic DischargePreventing Electrostatic Damage Electrostatic Discharge Routine Computer Care Shipping Preparation Routine Computer CareCD-ROM Drive Precautions CleaningSafety OperationShipping Preparation Routine Computer Care and Shipping Preparation Index Index-2