HP dc5800 manual Battery Replacement

Page 49

B 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.

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 Computer Setup (F10) Utility Guide for information on backing up the CMOS settings.

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.

NOTE: 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.

HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/ recycle.

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.Remove the computer access panel.

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

ENWW

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Contents Hardware Reference Guide dc5800 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix D Electrostatic Discharge 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 Key3Serial Number and Product ID Location Serial Number LocationEnww Serviceability Features Hardware Upgrades1Removing the Computer Access Panel Hardware Upgrades Removing the Computer Access Panel2Replacing the Computer Access Panel Replacing the Computer Access PanelRemoving the Front Bezel 3Removing the Front Bezel Hardware Upgrades4Replacing 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 Card9Removing an Expansion Slot Cover Enww Enww 3Drive Positions Drive Positions15Extra Guide Screws Location Installing Additional DrivesEnww 4System Board Drive Connections System Board Drive ConnectionsRemoving an External 5.25-inch or 3.5-inch Drive 17Disconnecting the Optical Drive Cables Hardware UpgradesEnww Enww 22Removing Bezel Blanks Installing an External 5.25-inch or 3.5-inch Drive24Connecting the Optical Drive Cables Hardware Upgrades Floppy Removing an Internal 3.5-inch Hard Drive Enww 29Sliding a Hard Drive into the Drive Bay Hardware Upgrades Installing an Internal 3.5-inch Hard DriveEnww Removing and Replacing a Removable 3.5-inch Sata Hard Drive 32Removing the Thermal Sensor Hardware UpgradesEnww Enww Enww Enww Table A-1Specifications SpecificationsAppendix a Specifications Battery Replacement Type Enww Enww External Security Devices Installing a Security LockCable Lock HP Business PC Security Lock PadlockEnww Figure C-6Engaging the Lock Front Bezel SecurityPreventing Electrostatic Damage Electrostatic DischargeGrounding Methods Appendix D Electrostatic Discharge Computer Operating Guidelines and Routine Care Cleaning Optical Drive PrecautionsSafety Shipping PreparationIndex Enww
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dc5800 specifications

The HP dc5800 is a compact desktop PC that has gained popularity in the business and educational sectors due to its solid build, affordability, and reliability. Introduced as part of HP’s dc series, it is designed to meet the demands of everyday computing tasks while offering enough power to handle more intensive applications when needed.

One of the standout features of the HP dc5800 is its sleek and functional design. With its small form factor, the dc5800 can easily fit into limited office spaces, providing flexibility for various workspace configurations. The chassis is built for easy accessibility, allowing users to upgrade components without hassle.

The dc5800 is powered by an Intel Core 2 Duo processor, which delivers excellent performance for multitasking and productivity applications. This dual-core architecture allows the system to efficiently handle everyday tasks such as word processing, spreadsheet management, and internet browsing. The pc supports a range of memory configurations, with up to 8GB of DDR2 RAM, ensuring smooth operation even when running multiple applications concurrently.

In terms of storage, the HP dc5800 offers a variety of hard drive options, ranging from traditional hard disk drives (HDDs) to faster solid-state drives (SSDs). This gives users the flexibility to choose based on their performance needs and budget. The system also includes multiple USB ports, an integrated audio solution, and network capability, making it well-suited for a connected office environment.

The onboard graphics solution provides adequate performance for standard business applications and light multimedia use, while the option to add discrete graphics cards allows for enhanced visual performance when required.

Another notable characteristic is the dc5800's energy efficiency. Designed with compliance to Energy Star standards, it consumes less power compared to older models, contributing to lower operational costs and a reduced carbon footprint.

Finally, HP offers a suite of security features, including a user password and the ability to disable USB ports to prevent data leaks, making the dc5800 a suitable choice for organizations that prioritize data security.

In summary, the HP dc5800 is a reliable, efficient, and compact desktop that combines essential features and technologies to support a variety of business and educational applications. Its performance, scalability, and energy efficiency make it a worthwhile investment for those looking for a dependable computing solution.
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