Is it plugged in?
Is it through a power bar? Is the power bar switch on?
Is your monitor plugged in?
Is it turned on?
Is it connected to the computer?
If you try to use a power button on the keyboard, is the keyboard properly connected to the computer?
Electro
April 2011
Sorry but you question is just too broad to answer. From the information that you have given (You don't even say what it is!), it could anything.
T
March 2011
Automatic Answer
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