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I am trying to install Ubuntu 13.10 64-bit on my PC.

When I boot, it displays the Ubuntu Logo and it is running something in the terminal (I think it is extracting vmlinuz). After that, it just displays a lot of colors.

I am trying to see and I can see that Ubuntu is loading (Ubuntu Logo with five dots below the logo). After that my screen is blank and that is happening again, but the shapes are different. The first one is horizontal and the second one is scrambled.

How do I fix this?

⠀Intel Core i5 CPU 3.10 GHz
⠀Digital Allience 1GB (the display by AMD) (Forgot the series)
⠀1366 x 768 display

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Your description is not complete enough to pin down exactly what is wrong, so I suggest taking a look at a screenshot gallery of similar visual artifacts problems and check if there is a screenshot that resembles your problem. The screenshot gallery is here: Diagnose video card problems by comparing with example corrupted screens. Please comment if you find anything interesting. –  karel Dec 23 '13 at 5:02

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