I am trying to install ubuntu 11.04 (64b) on my
imac 27 equipped with a ATI Radeon 4850 graphic
From a liveCD, I get the main menu:
With "Install Ubuntu" I get a black screen.
Try Ubuntu without installing
F1 Help F2 Language ... F6 Other Options
I guess it is because my graphic card in not
From the main menu if I type 'esc' I am
asked if I want to quit the graphical boot
interface and start the text mode interface.
If I say yes I get the boot prompt:
What should I do from here ?
'Enter' sends me back to the main menu.
I would have wanted also to try with a safe
graphical mode to use a default driver for the
graphic card but I did not find the appropriate
But I can make appear the command line corresponding
to "Install Ubuntu" using F6:
If I add to this line something like (I am not really sure what should be good) vesa=3EE6 or vga=791
Boot Options eed boot = casper only-ubiquity initrd=/casper/initrd.lz quiet splash --
I again end up with a black screen.
Could somebody be kind enough to help me with that matter ?
Thanks a lot in advance