Cables and Connectors

Most cables used throughout the unit are flat, flexible cables. These cables must be handled with care to avoid damage. Apply only the tension required to seat or unseat the cables during insertion or removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the cables are routed in such a way that they cannot be caught or snagged by parts being removed or replaced.

CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the reassembly process. Improper cable placement can damage the computer.

Hard Drives

Handle hard drives as delicate, precision components, avoiding all physical shock and vibration. This applies to failed drives as well as replacement spares.

●If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable protective packaging and label the package “Fragile: Handle With Care.”

●Do not remove hard drives from the shipping package for storage. Keep hard drives in their protective packaging until they are actually mounted in the CPU.

●Avoid dropping drives from any height onto any surface.

●If you are inserting or removing a hard drive, turn off the computer. Do not remove a hard drive while the computer is on or in standby mode.

●Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector. For more information about preventing electrostatic damage, refer to Electrostatic Discharge Information on page 42

●Do not use excessive force when inserting a drive.

●Avoid exposing a hard drive to liquids, temperature extremes, or products that have magnetic fields such as monitors or speakers.

Lithium Coin Cell Battery

The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years.

See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures.

WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or fire, or expose it to temperatures higher than 140ºF (60ºC). Do not attempt to recharge the battery.

NOTE: Batteries, battery packs, and accumulators should not be disposed of together 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.

48 Chapter 6 Routine Care and Disassembly Preparation

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HP D3K73UT#ABA, Pro 3515 E3S87UTABA, D3K31UTABA, D8C44UT#ABA Cables and Connectors, Hard Drives, Lithium Coin Cell Battery
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E3S87UTABA, Pro 3515 E3S87UTABA, Pro 3400 XZ939UT#ABA, C7A31UT#ABA, Pro 3400 A7L25UT#ABA specifications

The HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA are part of HP's extensive lineup of business laptops and desktop computers, designed to meet the demanding needs of professionals and enterprises. Each model showcases HP's commitment to performance, durability, and user-friendly features, making them suitable for a range of applications in various business environments.

The HP D3K31UTABA is a compact and lightweight laptop that emphasizes portability without compromising performance. It typically features an Intel Core i5 or i7 processor, ensuring smooth multitasking and efficient handling of various applications. The device is usually equipped with a 13.3-inch or 14-inch display with Full HD resolution, offering vibrant colors and sharp visuals that enhance productivity during long hours of work. With a robust battery life, users can work on the go without worrying about frequent recharges.

In contrast, the 3500p D8C44UTABA is a more performance-oriented model tailored for enterprise users who require enhanced processing power and reliable connectivity. This laptop often includes features such as a durable chassis, spill-resistant keyboard, and advanced security options like fingerprint readers and TPM (Trusted Platform Module) for data protection. The 3500p is known for its balance of performance and mobility, making it ideal for professionals who travel frequently.

The C7A35UT#ABA is another strong contender in HP's portfolio, designed to provide exceptional versatility. This model typically features an AMD Ryzen processor, catering to users who prefer AMD for its robust performance in multi-threaded applications. Additionally, it often boasts a larger storage capacity through SSD options, ensuring fast data access and improved overall system responsiveness.

The D3K31UT#ABA and D8C44UT#ABA share similarities in design and performance but may differ in specifications such as RAM size, graphics capabilities, and ports for connectivity. Both models offer scalable configurations, allowing businesses to customize them according to their specific needs.

All these models benefit from HP's proprietary technologies such as HP Fast Charge, allowing users to recharge their batteries quickly, and HP Sure Start, which provides self-healing BIOS protection. They also come with HP’s security suite, ensuring data integrity and user privacy.

In summary, the HP D3K31UTABA, 3500p D8C44UTABA, C7A35UT#ABA, D3K31UT#ABA, and D8C44UT#ABA collectively represent HP's dedication to producing high-quality computing devices that cater to the diverse needs of today’s professionals. With a focus on performance, security, and durability, these models are well-equipped to enhance productivity in any business setting.
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