Anxious, and so now! after the installation is complete gray apple mac os, has not enter the login screen

I am xp system, ordinary pc machine, non-Apple, after installing the mac, installation has been completed, and after the restart finished, has been stuck in the gray Apple's interface, how is it?
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up .........
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Why do not people do
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Before installing it successful people drifting away ... to persuade the landlord or anxiety point, buy it sets MAC
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So?
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This question is like asking my computer blue screen, how is it?

Results posted it!
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Reload
Apple needs to have patience black dress, a successful need luck. Fitted black apple, is a frustrating process. Reluctant to toss, then abandon it.
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I've given up yesterday, just bought a black apple store to help install the ......
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Computer configuration wrong, mainly the hardware