OSX Lion on MacBook

I downloaded OSX Lion and it keeps telling me on my MacBook to restart by pressing power button then powering back up.  Every time same message comes up.  I can't get past that although I restart every time.

Sounds like a kernel panic, but the paucity of details precludes making a sound assessment. See
What is a kernel panic,
Technical Note TN2063: Understanding and Debugging Kernel Panics,
Mac OS X Kernel Panic FAQ,
Resolving Kernel Panics, and
Tutorial: Avoiding and eliminating Kernel panics for more details.

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    Nope. You can purchase a Snow Leopard DVD for $29.00 through an Apple retailer or ordering from AppleCare:
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    To contact product and tech support visit online support site.

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    rockville wrote:
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    Marc Wilson wrote:
    hirahaaris wrote:
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    cashworth wrote:
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