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After updating my Ubuntu version from 12.04 to 12.10, I get a weird and very annoying error on startup. It states something about my graphics card, but it goes away too fast for me to be able to read in full. Then the OS proceeds to launch(with the dot thingies), but automatically fills all 5 dots, then my screen turns off completely, forcing me to manually turn off my laptop by holding the power button down, which I don't like doing. When I turn my laptop on again, it will either boot normally, or go into the advanced boot screen. When it boots in the advanced screen, I try recovery mode. Then when I try booting in graphic fail safe mode, I get a fatal error saying I DONT HAVE ANY SCREENS CONNECTED!!! I am completely lost and greatly need help ASAP

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