well, since several months ago & still trying to install Windows XP but I cant get farther the blue screen some hardware specifications: Sony Vaio vgn-fj78c (chinese) hdd: Toshiba MK8032GSX 512 Mo RAM , Processor: Intel M 1.99 Ghz I'am on windows Vista only god knows how slow it is! wow, so I wanted to get back to XP , most of guys are going to advice me changing HDD boot mode, my bad I cant because of The Phoenix Bios lack of this option & its too basic images too big here are direct links: blue screen just after the " setup is starting windows" shows: setup is starting image blue screen image here is what my bios looks like: Bios image Bios image Thanks for some hints or help.