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Possible Duplicate:
My computer boots to a black screen, what options do I have to fix it?

After installing Ubuntu 12.04 on hp pavilion dm4-1160US, it first boots by showing a purple screen and goes into a black screen.

What could be happening please?

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marked as duplicate by stephenmyall, Anwar Shah, Amith KK, con-f-use, jokerdino Oct 16 '12 at 23:42

This question was marked as an exact duplicate of an existing question.

when the purple screen showing press enter and its setup 9.10.Before installition start press F6 and there is a new menu.In the menu select "nomodeset" and setup ubuntu normally.

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