> What I know is after that I am not able to see any CD applications, > DVD, audio CD. I am not able to use optical drive. I have done several > things for solving the issue, like reset the PRAM, starting from the > original CD, repairing permissions. What I note was that if I put Disc > one from the installation software 10.3 I listen some sound like it > wants to start, but the starting comes always from the Hard disk. António, I think your optical drive has failed during the installation of the Epson software. If you look in System Profiler under "ATA" can you see the drive? Another thing to try is to start in Safe Mode "Hold down the Shift key immediately after the startup tone, and release when you see the progress bar," says Mac help. That will turn off all but Apple software, if there is a problem there, your optical drive should return. Alas, it is probably a problem with the optical drive. SM