What to do if I don't have the CD Rom that came with the DDJ-SB

I bought a DDJ-SB but I don't have the CD-Rom that came with it. I all ready downloaded Serato intro dj software,the manuals, drivers and start up guides. I installed Serato DJ intro software & connected the DDJ-SB but the program says "hardware disconnected" and the lights on the DDJ-SB doesn't come on or no audio. Where can I get the CD-Rom ? Please help!