Comment 75 for bug 256637

I'm having this bug on 10.10 (2.6.35-28-generic). I get ata 4 SRST failed (errno=-16) etc...
Was working find until I download KDE to have along with Ubuntu but I was not able to boot either one from grub menu. I get the same message. I tried live cd but not able to boot from it, I don't even see my 2 dvd drives from F11 to chose boot. It has been 2 days that I tried to read pages and pages on the web without any real answer. newbie in linux word, please help!