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?

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

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Computer Hardware
What is the most likely cause of an "FDD controller Failure" error message?

your computer's floppy drive is defective
you forgot to flash CMOS
None of these
you installed the floppy disk drive cable backward
you did not set the jumper on the floppy drive to drive A

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