Computer Hardware
The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:

None of these
Defect in the computers video circuitry
System RAM problem
Defective monitor
Disconnected video cable

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Computer Hardware
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

you don't worry; you have a lightning rod on your house
you don't worry; you've got a surge protector on your PC and phone line to your modem
you don't worry; you've got a surge protector on your PC
unplug the PC and remove phone line from the modem
stop standing on it

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