ownage

not sure if this is the right place to post but i could not find anywhere else i just built a amd 64 3400 on a a8v deluxe motherboard it all starts up fine then when i save the bios and exit the screen just goes black and my monitor light just flashes i then have to reset the cmos jumper to get it back on if i don't change the bios and just reboot it does the samething if anyone knows about this please let me know thanks for your time