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
any small vacuum device
reverse vacuum
non-static compressed air
use a lint-free cloth and wipe gently

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Computer Hardware
Which would you do first when troubleshooting a faulty monitor?

Power down the computer, then turn it on again to see if that corrects the problem
Power down the monitor, then turn it on again to see if that corrects the problem
Check its connections to the computer and power source
Use a meter to check the CRT and internal circuitry for continuity

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