New logic board = Digital Camera not Recognized?

I have a Canon PowerShot A75 that I've used with various machines for the past few years. It's always connected to the machine and started iPhoto, no problem.

I recently had the logic board replaced on my MBP, and now iPhoto dosen't detect the camera.

System profiler reports that it is connected, but iPhoto and Image Capture can't see it.

I've repaired permissions, reset the PRAM, and tested the camera on other macs to make sure it not the camera.

What gives? If I use a card reader, iPhoto picks it up no problem. Have I lost the ability for iPhoto to recognize my Canon?

Anyone else experience this? Any help is appreciated.

Thanks,
Jason

Macbook Pro 1.83GHZ 2GB Mac OS X (10.4.7)