Computer Hardware
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

blow real hard on the system board
non-static compressed air
reverse vacuum
any small vacuum device
use a lint-free cloth and wipe gently

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Computer Hardware
A brownout is defined as:

a slightly elevated voltage lasting from seconds to minutes or more
alternating power out, power on lasting a few minutes
a slightly decreased voltage lasting from seconds to minutes or more
has nothing to do with electricity
complete power out lasting a few minutes

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