Hard Drive failed

ok well i bought the alienware aurora 1 month ago cost me 1500 euros and now it will not start up due to a failed hard drive, i have two 500gb with RAID0 i know its a long shot but can any one tell me if there is a way to get it back online without changing them out, if not can i change them to RAID1, will dell give me a refund on the system.

any advice will be helpfull

here is my spec's

i7 860

8gb memory

2 ATI HD 5670's

x2 500gb hard drive

amazing machine but i cant deal will unreliability

thanks all