HP DX7500 manual Battery Replacement

Page 47

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 dx7500 Microtower Model Hardware Reference Guide About This Book Iv About This Book Table of contents Appendix D Electrostatic Discharge Serviceability Features Product FeaturesStandard Configuration Features 1Front Panel Components Front Panel Components2Media Card Reader Components Media Card Reader Components3Rear Panel Components Rear Panel Components5Windows Logo Key Functions Using the Windows Logo KeyKeyboard 4Keyboard ComponentsDomain 6Serial Number and Product ID Location Serial Number LocationHardware Upgrades 1Removing the Computer Access Panel Removing the Computer Access Panel2Replacing the Computer Access Panel Hardware Upgrades Replacing the Computer Access Panel3Removing the Front Bezel Removing the Front BezelRemoving Bezel Blanks 4Removing a Bezel Blank Hardware Upgrades5Replacing the Front Bezel Replacing the Front BezelDDR2-SDRAM DIMMs Installing Additional MemoryDIMMs 1DIMM Socket Locations Populating Dimm SocketsInstalling DIMMs Enww 2Expansion Slot Locations Removing or Installing an Expansion CardRemoving or Installing an Expansion Card 11Removing a PCI Express x1 Expansion Card Hardware Upgrades Enww Enww 15Drive Positions Drive Positions16Extra Drive Retainer Screws Location Hardware Upgrades Installing Additional Drives3System Board Drive Connections System Board Drive ConnectionsRemoving an Optical Drive 19Removing the Optical Drive Installing an Optical Drive into the 5.25-inch Drive BayEnww Removing an External 3.5-inch Drive 22Disconnecting the Diskette Drive CablesEnww 25Installing a 3.5-inch Device Media Card Reader Shown Installing a Drive into the 3.5-inch External Drive BayConnect the appropriate drive cables Removing an Internal 3.5-inch Hard Drive27Releasing the Hard Drive Cage Enww 30Removing the Hard Drive Installing an Internal 3.5-inch Hard DriveEnww 33Installing the Hard Drive Cage Enww Table A-1Specifications SpecificationsAppendix a Specifications Battery Replacement Type Enww Cable Lock Installing a Security LockExternal Security Devices HP Business PC Security Lock PadlockEnww Figure C-6Engaging the Lock Grounding Methods Electrostatic DischargePreventing Electrostatic Damage Computer Operating Guidelines and Routine Care Shipping Preparation Optical Drive PrecautionsCleaning SafetyIndex Symbols/Numerics 1394 port 2Enww
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DX7500 specifications

The HP DX7500 is a robust desktop computer that's designed primarily for small to medium-sized businesses looking for a reliable and efficient computing solution. Built to handle everyday tasks with ease, this model showcases a combination of performance, flexibility, and reliability.

One of the key features of the HP DX7500 is its powerful Intel processor lineup. Depending on the specific configuration chosen by users, potential options range from the capable Intel Pentium series to the more robust Intel Core 2 Duo or Core 2 Quad processors. This versatility ensures that users can select the appropriate performance level to meet their needs, whether for basic office applications or more demanding computational tasks.

The DX7500 also supports various memory options, offering up to 8GB of DDR2 RAM, which guarantees smooth multitasking and efficient performance for applications commonly used in business environments, such as spreadsheets, databases, and presentation software. Additionally, the unit features multiple storage options, accommodating up to a 1TB hard drive, allowing ample space for large files, software applications, and data storage.

In terms of connectivity, the HP DX7500 comes equipped with a variety of essential ports, including USB 2.0 ports for fast data transfer, Ethernet ports for reliable network connections, and audio jacks for speaker and microphone use. This ensures that users can easily connect to peripherals and networks, thus enhancing overall productivity.

The desktop’s design boasts a sleek and compact form factor, making it suitable for desk setups where space is at a premium. Its reliable construction ensures that it can withstand the rigors of daily use, while its energy-efficient components help to reduce power consumption, contributing to lowered operational costs.

Moreover, the DX7500 supports a wide range of operating systems, including Windows Vista and later versions, providing users with the flexibility to choose an OS that aligns with their software requirements. Its compatibility with various business applications ensures that users can seamlessly integrate it into their existing IT infrastructure.

In summary, the HP DX7500 stands out as a versatile desktop solution tailored for business environments. With its balance of performance, storage capability, and connectivity options, it serves as a dependable workhorse for a multitude of professional tasks, making it a smart choice for organizations seeking efficiency and reliability in their computing systems.
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