[ubuntu] Ubuntu 13.04 install gives flickering screen and stops ...

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http://ubuntuforums.org – I am trying to install Ubuntu 13.04 on a Award Bios (v1.0A) desktop with 512 mb ram. I am trying to boot off the DVD Drive... I get the message "Boot from ATAPI CD Rom : No Emulation" The the screen shows Ubuntu 13.04 a few times (and blanks out in between) and then continues to flicker with the purple color and blank screen alternately.. If I try to move the mouse, its shows the mouse displaced every time the mouse cursor appears. Nothing happens if I press a key on the keyboard.. Does not progress beyond this. Any suggestions welcome. Note : A couple of times it let me select (Hardware)