Hi Dan, Tks for your advice. > Either the > burner > is bad, or you should look at the ide=nodma option for checking the > discs (but not installing). Ran; linux mediacheck ide=nodma All 5 discs went through saying "It is OK to install". I download the disc img on Firefox. Would it matter? Shall I download them again with "wget"? TIA B.Rf. SL