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Solving Hardware Installation Problems

Some common causes and solutions for hardware installation problems are listed in the following table.

Table 2-20

Solving Hardware Installation Problems

Problem

Probable Cause

Solutions(s)

 

 

 

A new device is not

Cable(s) of new external

Ensure that all cables are properly and

recognized as part of

device are loose or

securely connected.

the computer system.

power cables are unplugged.

 

 

 

 

Power switch of new external device is not turned on.

Turn off the computer, turn on the external device, then turn on the computer to integrate the device with the computer system.

Device is not seated properly. Turn off the computer and reinsert the

device.

Solving Infrared Connection Problems

Some common causes and solutions for infrared connection problems are listed in the following table.

Table 2-21

Solving Infrared Connection Problems

Problem

Cause

Solution(s)

 

 

 

Cannot link with another

Interrupt request (IRQ) conflict.

Check IRQ assignments for conflicts and

computer.

 

reassign as necessary.

 

 

 

 

Baud rate conflict.

Select the same baud rate for both

 

 

computers.

 

 

 

Data transmission problem.

Direct sunlight, fluorescent

Remove the interfering light sources.

 

light, or flashing incandescent

 

 

light is close to the infrared

 

 

connections.

 

 

 

 

 

Interference from other

Keep remote control units such as wireless

 

wireless devices.

headphones and other audio devices away

 

 

from the infrared connections

 

 

 

 

Physical obstruction.

Do not place objects between the two units

 

 

that will interfere with a line-of-sight data

 

 

transmission.

 

 

 

 

Movement.

Do not move either unit during data

 

 

transmission.

 

 

 

 

Orientation.

Adjust devices so that they point within

 

 

30 degrees of each other.

 

 

 

 

Distance.

Verify that devices are not more than

 

 

3 feet (1 m) apart.

 

 

 

2-22 Troubleshooting

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Compaq 4160T SLIMLINE, 4130T, 4150T, 4140T, 4200 Solving Hardware Installation Problems, Solving Infrared Connection Problems

4130T, 4200, 4115, 4150, 4131T specifications

The Compaq 4160T Slimline, along with its variants – 4125D, 4150, 4120T, and 4150T – represents a series of personal computers that were engineered during the early 1990s. These systems were particularly popular for their compact design and efficient performance, catering to both individual users and businesses seeking reliable computing solutions.

The Compaq 4160T Slimline was designed with portability in mind. It featured a slim form factor that allowed it to fit easily into limited spaces, making it an ideal choice for environments where desk space was at a premium. One of the standout characteristics of the 4160T was its lightweight design, which aided in ease of transport.

The 4125D variant was notable for its robust performance capabilities. It utilized an Intel 486 processor, which provided enhanced processing power for multitasking and running memory-intensive applications. The system came equipped with an array of RAM options and upgradable storage, making it adaptable to various user needs.

The Compaq 4150 and 4150T models built upon the strong foundation of their predecessors, offering improved specifications. These models supported a greater range of peripheral devices, including external drives, printers, and modems, thanks to their extensive connectivity options. The 4150T further featured advanced graphics capabilities, making it suitable for light gaming and multimedia tasks.

The 4120T targeted users who prioritized a balance between performance and cost. With its value-driven design, this model provided essential computing features and was often utilized in educational settings and small offices. Its reliability and ease of use made it a favored choice for individuals who required straightforward functionality.

All models in this series showcased Compaq's commitment to innovation, featuring technologies such as integrated memory management and support for DOS-based applications. Additionally, the systems were equipped with customizable options, allowing users to choose specific configurations that best suited their unique requirements.

In summary, the Compaq 4160T Slimline and its counterparts presented a solution that combined compact design with practical performance. Their legacy continues to remind us of the evolution of personal computing and the foundational role that systems like these played in the development of modern PCs. These models represented a bridge between earlier computing technology and the more sophisticated devices that followed, paving the way for advancements in the industry.