For a complete description of data recovery procedures and the software needed to perform them, see The Paul Mace Guide to Data Recovery, published by Brady.

Cleaning System Components

An exhaust fan in the power supply cools the power sup- ply and computer by drawing air in through various openings in the computer and blowing it out the back. However, the fan also draws dust and other particles into the computer, causing contaminant buildup, which results in an increase in the system’s internal temperature and interferes with the operation of various system components.

To avoid these conditions, Dell recommends keeping your work environment clean to reduce the amount of dust and dirt around the computer, thereby reducing the amount of contaminants drawn into the computer by the power supply fan. In particular, you should keep the exterior of your computer and monitor clean, and you should use a commercially available diskette-drive head- cleaning kit to remove contaminants inside your diskette drives.

Recommended Tools and Accessories

Dell recommends that you use the following tools and accessories when you clean the computer:

•A wrist grounding strap — The proper use of a wrist grounding strap reduces the effect of electrostatic discharge (ESD), which can damage certain com- puter components. To use a wrist grounding strap, place the strap around your wrist and attach the other end of the strap to an unpainted metal surface on the chassis, such as the power supply’s fan guard, that is connected to chassis ground.

•A liquid dishwashing detergent — Use a mixture of one part liquid dishwashing detergent and three parts water to clean the exterior of the computer, monitor, and keyboard. You can also add fabric softener to produce an antistatic solution that prevents dust from being attracted to the monitor screen.

•A soft, lint-free cleaning cloth — Moisten the clean- ing cloth with the dishwashing detergent solution to clean the exterior of the computer system.

•A nonabrasive diskette-drive head-cleaning kit — Dell recommends that you use a kit that contains pre- treated diskettes in individually sealed packages. These kits ensure that the cleaning solution is applied evenly over the entire diskette-drive head surface, and they prevent contamination of the heads by exposure to foreign substances.

•A small vacuum cleaner with a brush attachment — Use the vacuum cleaner to remove dust and dirt from the exterior of the computer and keyboard.

Cleaning the Computer, Monitor, and Keyboard Exteriors

A conventional monitor or keyboard cover minimizes the accumulation of dust and other debris inside the monitor and keyboard when they are not in use. Also, commer- cially available keyboard membrane covers make it possible to use the keyboard while providing protection against foreign particles.

However, regardless of any protective covers, the moni- tor and keyboard must be cleaned occasionally. To clean the exterior of the computer, monitor, and keyboard, fol- low these steps:

1.Turn off the computer, monitor, and any other attached peripherals, and disconnect them from their power sources.

2.Use a vacuum cleaner to remove any dust from the slots and holes on the computer and between the keys on the keyboard.

3.Moisten a soft cleaning cloth with a solution of three parts water and one part liquid dishwash- ing detergent.

Do not soak the cloth in the solution; you must not let the solution drip inside the computer or keyboard.

4.Use the moistened cloth to wipe the computer cover, the keyboard, and the exterior of the moni- tor, including the screen.

Cleaning Drives

You can clean the heads of your diskette drives by using a commercially available diskette-drive head-cleaning kit. These kits include diskettes pretreated with a chemical solution to nonabrasively remove contaminants that accumulate on the drive heads during normal operation.

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2100/180, 2100/200 specifications

The Dell 2100/200 and Dell 2100/180 are innovative offerings from Dell that cater to the demands of a variety of users, ranging from small businesses to larger enterprises. Both models are designed to deliver high performance and reliability, making them indispensable tools in the modern computing environment.

The Dell 2100/200 features an impressive Intel processor that ensures fast and efficient performance, making it suitable for multitasking and handling complex applications. Coupled with a generous RAM configuration, this model can easily manage demanding workloads, resulting in smoother performance and faster processing times. In contrast, the Dell 2100/180, while slightly less powerful, still maintains robust performance levels that are well-suited for general productivity tasks and everyday use.

Both models come equipped with ample storage options, featuring hard disk drives that provide significant space for data and application storage. Users can choose between traditional HDDs and solid-state drives (SSDs), allowing them to prioritize speed and performance based on their specific needs. The flexibility in storage options ensures that users can customize their systems according to their requirements, enhancing the overall user experience.

Connectivity is another area where the Dell 2100 series excels. Both models come with a range of ports including USB, HDMI, and Ethernet, allowing for seamless connectivity with various peripherals and networks. This versatility makes the machines ideal for environments where multiple devices need to be connected simultaneously, whether for presentations, data transfer, or internet access.

In terms of energy efficiency, both the Dell 2100/200 and Dell 2100/180 incorporate advanced cooling technologies that minimize energy consumption while maximizing performance. This not only helps reduce operational costs but also contributes to a more sustainable computing environment.

The design of these models is another distinguishing feature. With a compact form factor, they fit easily into office spaces while maintaining a professional appearance. Their durable build quality ensures longevity, making them a worthwhile investment for businesses.

Overall, the Dell 2100/200 and Dell 2100/180 serve as powerful and reliable machines that combine advanced technologies and user-centric designs. Whether for business or personal use, these models provide a solid foundation for effective computing, ensuring that users can achieve their goals efficiently and effectively.
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