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[Mark XIII <todiaspar@xxxxxxxxx>]

http://ubuntuforums.org/showpost.php?p=9320847&postcount=443

The problem with the green flash and blank console is caused by one of the framebuffer video drivers, vga16fb. Ubuntu seems to load it by default on boot, so you must tell Ubuntu not to use it. You need to change a configuration file by hand for this and you need root privileges.
1. Boot your Ubuntu or some rescue CD/DVD or whatnot, you'll need to access (mount) your installation partition.
2. Open /etc/modprobe.d/blacklist-framebuffer.conf on your installed Ubuntu in a text editor
3. Add a new line:
Code:

blacklist vga16fb

OPTIONAL: Comment out (add a # at beginning) the line
Code:

blacklist viafb

4. Save the file and exit the editor.
5. Reboot
Chances are that the normal text console will work now, but maybe you'll lose the boot splash screen...

tom09.

Works!

I used only: blacklist vga16fb

-- 
[VX800] Samsung NC20 installation problem(test pattern on screen)
https://bugs.launchpad.net/bugs/374090
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