Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Can't use with 64-bit computer

I bought this device to be able to tie my electronic piano into my new computer which does not have a MIDI port. My new computer is a Windows 7 64-bit computer that is small with only multiple USB ports. It wasn't until I actually got the device that I learned there's no 64-bit support from M-Audio. Looking at the advertisement web pages did not even hint at this. I suppose I should have done more homework before buying, but that shouldn't have to be the way things are. So I bought this thing and can't use it.