Are you running Windows 7 on your new computer? Some versions of it are not backwards compatible since they are 64 bit Windows, and the older Windows systems are 32 bit.
Does Windows recognize it when you plug it into the usb?
Couldn't find any reports of this on the web, so I'm not sure what's going on.
You might go by Best Buy and talk to their techs about the problem. They're usually up to date on things, and may have a fix.
Otherwise, contact RCA's web site, and here it is:
http://home.rca.com/EN-US/Rcahome.html
Good luck, hope this helps, and thanks for using FixYa.