I'm sorry, I was desperate...
...Ok, thing was I was not able to even boot the disk. But I finally did it by changing the BIOS so that the computer would boot thru the cd rom drive. I have ubuntu now! The only problem now is that the OS didn't find the sound card so I have no audio and it's really hard to type because the letters repeat incessantly even though I don't hold them down much, not even half a second! I tried fixing it by changing the settings but it keeps doing it. Sorry again for putting the urgent sign there.