cannot get past bios after new sata drive install

hi,

i recently bought a new sata hard drive. i currently have 2 IDE hard drives, 1 master and 1 slave in the IDE0 slot. but have window vista business on them, and this is what happens:

i press the on button and and it get stuck after detecting the hard disks (the 1st screen it gets t).

any ideas on what could be wrong?

thanks in advance

[EDIT] fixed it after fiddling with the raid