I just joined here. I just put together a new system and having problems. Here is the system: Intel motherboard DG35EC CPU Intel Quad core Q6600 Memory 4GB using Ultra PC6400 DDR2 800 MHz DVD RW Sony DRU190A Seagate 500 GB serial ATA Video card PNY GeForce 9600 GT 512 MB OS attempting to use: Vist Ultimate 32 bit OEM Everything is new, just bought at TigerDirect store. Vista will not boot at all from DVD. A Mandriva Live disc does boot, but will not complete install Tried two different XP discs, both boot but will not complete install HD is currently new - blank Everything looks Ok to me in the bios setup.