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What is a power supply?

Beware of the dust bunnies

Just ‘cause the power supply is located within your computer doesn't mean it's impervious to dirt from the outside. Microscopic dust particles find there way into everything. A build up of dust could cause system overheating. The best cure -- compressed air. Every so often, spray the air on your power supply through the space in the intake fan. Instead of the external fan. This will send dust out of your case. Not suck it right back in.

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