If the computer after several hours' use suddenly rebooted and does not show any sign of system failure, there could only be one thing. The computer is overheating.

Unknown to many, (especially those who are not into technological stuff) the computer could generate a large amount of heat when it is in use. Adding video or sound cards could also add more heat generation from your computer.

The temperature inside the computer or laptop that has high-powered processors that runs with multiple applications reaches one hundred forty (140) degrees.

The more drives, memory and even colored lights stuffed in today's CPUs and laptops, the less space there is for internal air circulation. Combine that with poor exhaust or surrounding ventilation, and systems slow, applications run poorly, or the computer could reboot to cool itself down, or crash altogether.

The popularity of cheap computers is fast increasing. People are drawn to buying the cheap computers but they are not aware of the reductions made just so to meet the demand.

One of these reductions is the size as well as the effectiveness of cooling fans on the computer. As the computer gets warmer, the computer speed also gets slower.

With the proper cooling device in the computer, rest assured that the performance of the computer would be better. It could also extend the life of the computer, motherboard and the processor.

Cooling products help drop the temperature of the CPU and its components by circulating, dissipating, cooling and pulling air from a desktop or laptop computer.

Some fans mount in the front drive bays of computers, while others slip into PCI slots to suck air out the back. Copper or aluminum "heat sinks" mount atop the processor to cool that device itself.

When buying a new computer, visit a retailer and touch the computer case to see how hot it gets. Consider adding additional fans to the PCI slots or atop the processor.

Other cooling tips include cleaning dust away from the CPU's fan, or opening the unit and using a can of compressed air to blow dust off the components.

Keep the CPU off the floor, and install filters atop the fans, to reduce dust, pet fur or other debris from getting into the unit. A small electrical fan aimed to blow across the CPU also can help disperse heat and cool the unit.

Keep the computer in a location where air can circulate freely. Keeping the tower in a desk cabinet, leaving the doors open or removed to aid circulation also helps air to circulate inside the computer.

For general office cooling, a flat-panel monitor, or LCD, can reduce the amount of heat generated, as compared to a traditional CRT monitor.

Laptop heat is especially common. Many road warriors, teleworkers and home office workers place the laptop literally upon their laps to work.

This not only can block exhaust fans, but can trap and build heat. Laptop pads dissipate heat by either elevating the unit from the surface, or by using fans to help draw heat away from the device.

Many slot coolers are being marketed today. There are two things that you have to consider before buying one. The intake of fresh cool air is very important. Case temperature drops with the intake fan in the case. T

he position of the fan is the other. It has to be positioned one slot away from the AGP card. The extra space would help the airflow inside the computer. This way the computer heat would be lessened.

By: James Monahan

Laptops, also known as notebook computers, are trendy and functional computer devices that are now giving business people the best of both worlds in terms of business efficiency and mobility largely due to the fact that you can use batteries to power up the laptop for use anywhere, anytime. But what are laptops and what components go into making up a laptop device? For those who know little about laptops here is a quick overview of the various components that make up these versatile and mobile machines.

Screens are the displays that you use to see what the computer is doing whether it be typing words and numbers, surfing the Internet or manipulating images and photos. Laptops of years ago had very dim screens but these days the displays are big and bright and easy to read. The two main options in terms of displays are "dual-scan" and "active-matrix." Dual-scan is the less expensive option, and while it used to be somewhat inferior is a very acceptable option for people on a budget. Active-matrix is the brighter of the two.

Of course though the laptop is not just about displays you need to consider how the machine will actually run. Mobile CPUs are the component that makes the computer actually run. Buying a mobile CPU is an advantage because they use less power and keep the machine cooler.

Most laptops come with modular/swappable drive bays, to allow you to remove the floppy drive, DVD drive, and even the hard drive. This is very convenient if you often use different media for saving and storing data and need to make a change between media types but need to continue working at the same time rather than having to shut the machine down.

Some laptops come with a built-in AC power supply, so the laptop plugs into a wall outlet with a simple ordinary plug-in, however many have the power brick which is attached to the AC cord and this can be inconvenient if you are working in a confined space. Often with the more recent laptops you can by the more compact device to make it easier to use the laptop in small spaces such as hotel rooms.

Naturally laptops are purchased for their mobility to laptops will always come with one or two batteries to allow you to take the laptop away from mains power. This means you can leave the AC power cable behind and only plug it in to the mains power when you need to recharge the batteries.