Education
Basics of Computers
What is Computer?
What is Information?
Where Computers are Used?
Why Use a Computer?
Anatomy of a Computer System
How to avoid a Disk Crash?
How to Prevent Viruses?
How to avoid PC Meltdown?
Keep Your PC safe from Kids
Keep it Clean
Basics of Computers
How to avoid a PC Meltdown?
The fans inside your computer system are a mixed blessing: On the plus side, they move air over heat-generating components, helping to keep your system cool. But they also concentrate dust both on the fans and inside your CPU case, which can cause heat buildup. To get the maximum benefit from the fans, you need to clean out the dust at least twice a year.

Go to your local computer or office supply store and buy a mini-vacuum cleaner and a can of compressed air. With these in hand, unplug your computer and open its case. Once it's open, be sure to touch the power supply periodically to discharge chip-frying static electricity.

Use the compressed air to clean dust from chips, circuit boards, and fan blades. The compressed air helps to clump the dust particles together, making it easier to pick them out or vacuum them up.
With a clean system, your fans will do a better job keeping things cool.
If your PC is located near a window, use blinds or shades to keep direct sunlight off the system.
Leave space behind and above your system and monitor for air to freely circulate. Don't stack papers, disks, or anything else on top of any computer component.
Locate your PC where it is as free as possible from dust, dirt, pollen, and pet hair. Such contaminants coat the components inside your PC, interfering with the cooling action of your PC's fans.
A surge suppressor or UPS (Uninterruptable power supply) filters your AC power and offers protection from harmful power surges and spikes that can literally melt electronic components. The added benefit of a UPS is that it provides battery power in the event of a blackout.
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