posted on Sep, 3 2012 @ 12:19 AM
Does the computer recognize the camera when you initially plug it in? There could be a fault in the hardware, i.e the USB cable, or the USB port.
Before coming to that conclusion, have you got the most up to date drivers for the camera software. Try to re-install the software as well and see if
Hope I have been of some help.
edit on 3-9-2012 by Acronychal because: (no reason given)