I have a macbook pro 17'. When i switch it gets as far as the start up sound, and then just re-boots over and over, with no screen lighting up.Could you please assist

When i switch my macbook pro on.

It starts up with a sound, then re boots, makes the sound and re boots.

Could someone please assist?

MacBook Pro

Posted on Jan 30, 2012 11:46 PM

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I have a macbook pro 17'. When i switch it gets as far as the start up sound, and then just re-boots over and over, with no screen lighting up.Could you please assist

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