i just purchased and macbook. i have also purchased a lacie 250 gb firewire external harddrive. i made it into 2 partitions. i can see it on my macbook, but when i take it to my pc it isnt recognized. im trying to run it on both mac and pc. i use my pc for downloading, but i want to transfer it to my mac. can anyone help me. ive used the disk utility to partition but i still cant get the harddrive to be recognized on my pc