Description

Spare part number

 

 

System board for use only with computer models equipped with an Intel Pentium or Celeron

 

processor and a graphics subsystem with UMA video memory

 

 

 

● For use in models without Windows 8

685768-001

 

 

● For use in models with Windows 8 Standard

685768-501

 

 

● For use in models with Windows 8 Professional

685768-601

 

 

System board for use only with computer models equipped with an Intel Pentium or Celeron

 

processor and a graphics subsystem with UMA video memory (RCTO system board for use in

 

Brazil and India only)

 

 

 

● For use in models without Windows 8

685783-001

 

 

● For use in models with Windows 8 Standard

685783-501

 

 

● For use in models with Windows 8 Professional

685783-601

 

 

Thermal pad (for use with all models)

651046-001

 

 

Before removing the system board, follow these steps:

1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2.Disconnect all external devices connected to the computer.

3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4.Remove the battery (see Battery on page 34).

5.Remove the following components:

●WLAN module (see WLAN module on page 42)

●Hard drive (see Hard drive on page 47)

●Keyboard (see Keyboard on page 53)

●Top cover (see Top cover on page 57)

●Speakers (see Speakers on page 65)

●USB board (see USB board on page 67)

●Power connector cable (see Power connector cable on page 69)

6.Disconnect the display cable from the system board (see Display assembly on page 71).

NOTE: When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

●Memory module (see Memory module on page 45)

●RTC battery (see RTC battery on page 50)

82 Chapter 4 Removal and replacement procedures

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HP C2N25UA, D1E81UA manual Removal and replacement procedures
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D1E81UA, C2N25UA specifications

HP offers a plethora of laptops catering to various user needs, and the HP C2N25UA and D1E81UA models stand out as compelling options for both personal and professional use. These devices combine powerful performance, modern features, and reliable build quality, making them suitable for diverse computing tasks.

The HP C2N25UA, also known as the HP Pavilion series, delivers a vibrant 15.6-inch display that enhances the visual experience with its Full HD resolution. This ensures sharp and clear images, making it ideal for media consumption, whether you’re watching movies, playing games, or working on graphic design projects. With an Intel Core i5 processor at its core, users can expect strong performance in multitasking scenarios, seamlessly switching between applications. Coupled with 8GB of RAM, the C2N25UA accommodates the demands of resource-intensive tasks, ensuring smooth operation and enhanced productivity.

On the other hand, the D1E81UA model falls under the HP Envy line, designed for users who prioritize premium features. It also boasts a high-resolution display but with additional enhancements such as HP’s BrightView technology, which boosts clarity and brightness, making it suitable for outdoor usage. The D1E81UA is equipped with cutting-edge technologies, including a high-performance Intel Core i7 processor and 16GB of RAM, providing ample power for advanced computing tasks like 3D rendering and video editing.

Both models support fast data transfer thanks to their USB Type-C ports, which offer versatile connectivity options. Additionally, they are equipped with high-definition webcams and dual-array microphones, facilitating clear video calls—a necessity in today’s remote work environment. Their lightweight and sleek designs encourage portability, making them easy to carry between home and the office or for travel.

Battery life in both models is commendable, allowing users to work for extended periods without needing to recharge frequently. Additionally, HP includes its fast charge technology, which powers the battery quickly when time is of the essence.

In conclusion, the HP C2N25UA and D1E81UA are robust laptops that blend performance, stylish design, and advanced technology. Whether for professional tasks or everyday use, these models reflect HP’s commitment to quality and innovation, making them worthy contenders in the competitive laptop market.
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