Table 2-10Solving Mouse Problems (continued)

 

 

Mouse does not respond to movement or is too slow.

 

 

 

 

Cause

Solution

 

 

Mouse may need cleaning.

Remove the roller ball cover on the mouse and clean the

 

internal components.

 

 

Mouse may need repair.

See the Worldwide Limited Warranty for terms and conditions.

 

 

Wireless device error.

1. Check the software, if available, for device status.

 

2.

Check/replace device batteries.

 

3.

Reset receiver and mouse.

 

 

Computer is in standby mode.

Press the power button to resume from standby mode.

 

CAUTION: When attempting to resume from standby mode,

 

do not hold down the power button for more than four seconds.

 

Otherwise, the computer will shut down and you will lose any

 

unsaved data.

 

Mouse will only move vertically, horizontally, or movement is jerky.

 

 

Cause

Solution

 

 

 

Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty.

Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit available from most computer stores.

ENWW

Solving Keyboard and Mouse Problems 31

Page 37
Image 37
HP dc7800 tower manual Solving Keyboard and Mouse Problems, Cause Solution

dc7800 tower specifications

The HP dc7800 Tower is a powerful desktop computer designed for professional and enterprise environments. Known for its stability, performance, and versatility, this model has secured its place in a variety of business settings. Launched in the mid-2000s, it embodies HP’s commitment to quality and innovation.

One of the main features of the HP dc7800 is its form factor. The tower configuration allows for easy upgrades and maintenance, providing ample space for additional hard drives, memory, and other components. This level of accessibility makes it ideal for businesses that need to adapt their systems to changing requirements.

The dc7800 is powered by Intel's Core 2 Duo processors, offering dual-core technology that enhances multitasking capabilities. With clock speeds ranging from 1.8 GHz to 3.0 GHz, this system can handle demanding applications with relative ease. It also supports Intel's vPro technology, which allows for remote management and security features, making it an excellent choice for organizations prioritizing IT control.

Another notable characteristic is the support for up to 8GB of DDR2 RAM. This allows for efficient data processing and improved performance when running multiple applications simultaneously. Additionally, the dc7800 features multiple storage options, accommodating both SATA hard drives and solid-state drives, which can significantly enhance boot times and overall system responsiveness.

Connectivity options on the HP dc7800 are robust. It includes a variety of USB ports, audio jacks, and optional legacy ports, ensuring compatibility with a wide range of peripherals and accessories. Networking capabilities are also prominent, with built-in Gigabit Ethernet providing high-speed internet access.

Furthermore, the desktop tower is designed with energy efficiency in mind. It meets ENERGY STAR certification standards, which not only helps reduce operational costs but also minimizes environmental impact.

Overall, the HP dc7800 Tower embodies a blend of performance, expandability, and energy efficiency, making it a reliable choice for businesses in need of a robust desktop solution. With its legacy of dependability and its suite of modern technologies, it continues to serve as a valuable asset in enterprise environments.