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I have successful installed Rosa Marathon 2012 EE but the problem is after reboot it can boot into Rosa desktop, all i have is black screen.
What should i do?

Forgot to mention i am dual boot Rosa Marathon 2012 with windows 7.

matfx писал(а):windows 7.

Yes that's very important detail. Did you see the GRUB menu at all?
If not, you should insert Windows7 installation media and restore the loader, at least.

After installed, i make the reboot. Upon reboot, i can see the Rosa marathon grub (i install the Rosa grub on mbr). Then it shows the Rosa grey boot screen, after a few seconds then went to black screen. Tried to reinstall again but still facing the same problem.

Most likely a problem with the video card. When you see the grey screen Grub try select "....(safe mode)" and run the system in this mode.

Hi PastorDi,

Thanks for the comment. I also have the same thought that it is my ATI graphic card can't be recognize by Rosa Lnux.

try adding nomodeset to your grub boot string.
If system boots ok, then you can try using fglrx proprietary driver from rosa non-free repo. Install it and then choose with XFdrake.

Sorry to ask, but how to insert nomodeset?

After booting in GRUB menu press F3 and append nomodeset (at the end of the string) Then hit Enter

Thank you for the info. Now i can boot into Rosa desktop. Download the non-free graphic cards driver and everything solved.

matfx писал(а):Download the non-free graphic cards driver and everything solved.

I have ATI Mobility Radeon. Can you give here some more details, please?