micktuggy

my pc has gone pear shaped. i had been running vista with no problems until yesterday. i have an abit ax8 sata motherboard which is now not detecting any drives in the bios i am not getting any hard drives showing at all i am trying to install another copy of vista onto a new hard drive and this snt being detected either the new hdd is a seagate 400gb sata drive is there a way to configure my bios to detect the drives i have reset the cmos settings and altered the bios accordingly the sata drivers are being asked for when i try to install vista but the ones i have downloaded are not then showing the hdd connected all cables are crosschecked and working.the power leads are all connected properly i am at my wits end as to how to get it working again i have tried installing xp but even wth the motherboard sata drivers it does not show the hdd any ideas i have got a working hdd connected and that isnt showing either anyone know how to get the pc to see any hard drive????? please help