USB/memory card reader problem, any help would be great

Hello all, I bought a new memory card reader today and our computer will not recoginize it's there. The reader is a Targus universal 32 in 1 memory card reader/writer and I think the model is TGR-CRD25, it also says USB 2.0. I didn't have any problems with the old reader as far as the machine "seeing" the reader. This new reader does show up in the system profiler but the little power light will not come on and I get a "low power for device" type message when I plug it in. I unplugged the keyboard and plugged in the new reader to the USB port where the keyboard was connected and the light came on on the reader but iphoto was still saying no storage device when I tried to import pictures? Any ideas?