Computer Hardware
What is the first step in diagnosing a completely dead computer at the client site that was working the day before.

check the AC outlet
Test the power supply
None of the listed here
reseat the hard drive controller cable

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Computer Hardware
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

The external drive has been pre¬loaded with the appropriate software
The external drive is turned on
The external drive was attached before the computer was on
The cables are attached firmly
All of these

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Computer Hardware
A brownout is defined as:

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

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