hey i have a Nikon D50 and a Cannon PowerShot SD 630 when i try and hook them up using a USB cord to my mac (it's a MAC OS X 10.5.2) nothing happens. My computer is not reading any of the cameras.
Help .. i have many pictures on both cameras i would like to put on my computer..if someone has an idea please let me know

thanks
Help .. i have many pictures on both cameras i would like to put on my computer..if someone has an idea please let me know
thanks