ok here's my problem...when i bought my wd 500 gb passport to put all my 60 games on there...i forgot to format the hard drive...my games still work on my wii and stuff but i was just wonderin how come my computer was able to read this before and not now? how to i back my hard drive up to another hard drive? my computer keeps asking me to format hard drive now. i click cancel and it says it won't allow me to play it....please HELP!!!!!