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After you use your computer for a while, a thick, hot coat of dust collects inside your computer, and it can lead to overheating and damaged components. Periodically check the guts of your computer for dust and do a little housekeeping.
Your first step is to look at the fan's round grill on the back of the computer. See all the dust flecks clinging to the grill, swapping barbecue stories? Remove them with a rag or vacuum cleaner, being careful to keep the worst grunge from falling inside.
Second, check the vents on the front and sides of your computer case. Although the fan in the power supply is creating the airflow, the air is actually being sucked in these little holes and crevices. If these vents are clogged with crud, very little air moves across the components to cool them.
Don't just blow on the dust, either. The microscopic flecks of spittle in your breath can cause problems with the computer's moisture-sensitive internal components.
For best results, buy a cheap can of compressed air from a local computer store, remove your computer's case, and blast the dust off its innards every few months, paying special attention to crevices and grills. (Unplug it and carry it outside first. Angry dislodged dust particles float everywhere and can make a mess of your room — or your lungs.)
The more parts and peripherals you add to your computer, the hotter it runs. Be sure to keep the vents clean.
 | Don't tape cards or cheat sheets across the front of your PC's case. That can block your PC's air vents, which are often disguised as ridges across the front of the case. When air can't circulate inside your PC, your computer heats up in a hurry. Also, don't keep your computer pushed up directly against the wall. It needs some breathing room so that its fan can blow out all the hot air from inside the case. |
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